/* ==========================================================================
   GLOBAL STYLE SYSTEM (PAKTJIP DIGIPRINT)
   ========================================================================== */

/* --- Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #a8c5a5 0%, #7fa87c 100%);
    min-height: 100vh;
    padding: 20px;
    transition: background 0.3s, color 0.3s;
}

/* --- Layout Elements --- */
.container {
    width: 100%;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
    transition: background 0.3s, color 0.3s;
}

/* Container Width Overrides */
.container-small {
    max-width: 600px;
}
.container-medium {
    max-width: 700px;
}
.container-large {
    max-width: 900px;
}
.container-xl {
    max-width: 1000px;
}

.header {
    background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

.header p {
    color: #d4e8d4;
    font-size: 1.1em;
}

.content {
    padding: 30px;
}

.section-title {
    font-size: 1.1em;
    font-weight: 600;
    color: #4a6f4a;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e8f4e8;
}

.section-break {
    font-size: 1.1em;
    font-weight: 600;
    color: #4a6f4a;
    margin-bottom: 15px;
    padding-bottom: 10px;
}

/* --- Form Elements --- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    font-size: 0.95em;
}

input, select, textarea {
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
    background-color: #fff;
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #7fa87c;
}

/* --- Common UI Components --- */
.calculate-button {
    background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
}

.calculate-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
}

.calculate-button:active {
    transform: translateY(0);
}

.calculate-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.info-box {
    background: #fff9e6;
    border-left: 4px solid #ffa500;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 0.9em;
    color: #666;
}

.warning-box {
    background: #fdecea;
    border-left: 4px solid #e74c3c;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 0.9em;
    color: #b03a2e;
}

small {
    color: #888;
    margin-top: 5px;
    display: block;
}

footer {
    text-align: center;
    padding: 25px;
    background: #f8f9f8;
    color: #666;
    font-size: 0.9em;
    line-height: 1.6;
    border-top: 1px solid #e8f4e8;
}

footer strong {
    color: #4a6f4a;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}



/* ==========================================================================
   PAGE: index.html
   ========================================================================== */

/* Saat konten terbuka: kunci scroll di body, biarkan iframe yang scroll */
body.page-index.page-open {
    overflow: hidden;
    height: 100vh;
    padding: 0;
}
body.page-index.page-open #app {
    height: 100vh;
    max-width: 100%;
    margin: 0;
}
body.page-index.page-open #content-view {
    height: 100vh;
    border-radius: 0;
    box-shadow: none;
}

/* ── PASSWORD ── */
.page-index .password-container {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}
.page-index .password-header {
    background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%);
    color: white;
    padding: 30px;
    text-align: center;
}
.page-index .password-header h2 { font-size: 1.8em; }
.page-index .password-content { padding: 30px; }
.page-index input[type="password"] {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}
.page-index input[type="password"]:focus { outline: none; border-color: #7fa87c; }
.page-index .password-button {
    background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
    color: white;
    border: none;
    padding: 15px;
    font-size: 1.1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(74,111,74,0.3);
}
.page-index .password-button:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(74,111,74,0.4); }
.page-index .password-button:active { transform: translateY(0); }
.page-index .error-message {
    color: #d32f2f;
    font-size: 0.9em;
    margin-top: -10px;
    margin-bottom: 15px;
    display: none;
    text-align: center;
    font-weight: 500;
}
.page-index .error-message.show { display: block; animation: shake 0.5s; }

/* ── MAIN APP ── */
.page-index #app { max-width: 900px; margin: 0 auto; display: none; }
.page-index #app.show { display: block; animation: fadeIn 0.5s ease-out; }

/* ── MENU VIEW ── */
.page-index #menu-view {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}
.page-index .header {
    background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
}
.page-index .logout-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 0, 0, 0.15); /* merah transparan */
    color: #fff;
    border: 1.5px solid rgba(255, 0, 0, 0.5); /* merah agak terang */
    border-radius: 8px;
    padding: 7px 14px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}
.page-index .logout-btn:hover {
    background: rgba(255, 0, 0, 0.3); /* lebih pekat saat hover */
    border-color: rgba(255, 0, 0, 0.7);
}
.page-index .header h1 { font-size: 2.2em; margin-bottom: 10px; }
.page-index .content { padding: 40px 30px; }
.page-index #links-grid {
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
}
.page-index .category-section { margin-bottom: 20px; }
.page-index .links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.page-index .menu-btn {
    background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
    color: white;
    padding: 25px;
    border: none;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(74,111,74,0.3);
    width: 100%;
    text-align: left;
}
.page-index .menu-btn:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(74,111,74,0.4); }
.page-index .menu-btn:active { transform: translateY(-2px); }
.page-index .menu-btn .emoji { font-size: 2.5em; flex-shrink: 0; }
.page-index .menu-btn .text  { font-size: 1.1em; font-weight: 600; line-height: 1.4; }
.page-index .coming-soon {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f4f9f4 0%, #e8f4e8 100%);
    border-radius: 12px;
    margin-bottom: 30px;
}
.page-index .coming-soon p { color: #4a6f4a; font-size: 1.2em; font-weight: 600; font-style: italic; }

/* ── CONTENT VIEW ── */
.page-index #content-view {
    display: none;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}
.page-index #content-view.show { display: flex; flex-direction: column; animation: fadeIn 0.3s ease-out; }
.page-index .content-topbar {
    background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-shrink: 0;
}
.page-index #back-btn {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 8px;
    padding: 8px 18px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}
.page-index #back-btn:hover { background: rgba(255,255,255,0.35); border-color: white; transform: translateX(-2px); }
.page-index #page-title {
    color: white;
    font-size: 1.2em;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    text-align: center;
}
.page-index .logout-btn-topbar {
    background: rgba(255, 0, 0, 0.15);
    color: #fff;
    border: 1.5px solid rgba(255, 0, 0, 0.5);
    border-radius: 8px;
    padding: 7px 14px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-left: auto;
}
.page-index .logout-btn-topbar:hover {
    background: rgba(255, 0, 0, 0.3);
    border-color: rgba(255, 0, 0, 0.7);
}
/* Semua iframe tinggal di sini, show/hide via JS */
.page-index #iframe-container {
    width: 100%;
    flex: 1;          /* ambil sisa tinggi setelah topbar */
    overflow-y: auto; /* scroll ada di sini, bukan di body */
}
.page-index #iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.page-index .category-label {
    text-align: center;
    font-size: 0.75em;
    font-weight: 700;
    color: #7aaa7a;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 28px 0 10px;
}
.page-index .category-label:first-child { margin-top: 0; }

.page-index #logout-topbar-btn {
    background: rgba(255, 0, 0, 0.15); /* merah transparan */
    color: white;
    border: 1.5px solid rgba(255, 0, 0, 0.5);
    border-radius: 8px;
    padding: 7px 14px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    margin-left: auto;
    white-space: nowrap;
    flex-shrink: 0;
}
.page-index #logout-topbar-btn:hover {
    background: rgba(255, 0, 0, 0.3); /* lebih pekat saat hover */
    border-color: rgba(255, 0, 0, 0.7);
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%  { transform: translateX(-10px); }
    75%  { transform: translateX(10px); }
}
@media (max-width: 768px) {
    .page-index .header h1 { font-size: 1.8em; }
    .page-index .links-grid { grid-template-columns: 1fr; }
    .page-index .menu-btn { padding: 20px; }
    .page-index .menu-btn .emoji { font-size: 2em; }
    .page-index .menu-btn .text  { font-size: 1em; }
}

/* ==========================================================================
   PAGE: pdf_to_img.html
   ========================================================================== */

.page-pdf2img input, .page-pdf2img select {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1em;
            transition: border-color 0.3s;
            background: white;
            font-family: inherit;
        }
.page-pdf2img .calculate-button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.page-pdf2img /* Drop zone */
        .dropzone {
            border: 2px dashed #7fa87c;
            border-radius: 12px;
            background: #f8fdf8;
            padding: 30px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 25px;
        }
.page-pdf2img .dropzone.dragover { background: #e8f4e8; border-color: #4a6f4a; }
.page-pdf2img .dropzone p { color: #666; margin-bottom: 5px; }
.page-pdf2img .dropzone .icon { font-size: 2.5em; margin-bottom: 10px; }
.page-pdf2img .dropzone input[type="file"] { display: none; }
.page-pdf2img .preview-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            margin-top: 15px;
        }
.page-pdf2img .preview-wrap canvas {
            max-width: 100%;
            max-height: 280px;
            border-radius: 8px;
            border: 2px solid #e8f4e8;
            background: #fff;
        }
.page-pdf2img .preview-info { font-size: 0.9em; color: #666; text-align: center; }
.page-pdf2img /* Progress */
        .progress-bar {
            width: 100%;
            height: 10px;
            border-radius: 6px;
            background: #e8f4e8;
            overflow: hidden;
            margin-top: 15px;
            display: none;
        }
.page-pdf2img .progress-bar.show { display: block; }
.page-pdf2img .progress-bar-fill { height: 100%; width: 0%; background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%); transition: width 0.2s; }
.page-pdf2img .progress-text { font-size: 0.85em; color: #666; margin-top: 6px; text-align: center; min-height: 1.2em; }
.page-pdf2img /* Result */
        #result { display: none; margin-top: 30px; }
.page-pdf2img #result.show { display: block; animation: fadeIn 0.5s ease-out; }
.page-pdf2img .result-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
.page-pdf2img .result-card h3 { color: #4a6f4a; font-size: 1.1em; margin-bottom: 10px; font-weight: 600; }
.page-pdf2img .result-card .detail { font-size: 0.9em; color: #555; margin-top: 8px; line-height: 1.7; }
.page-pdf2img .dpi-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.85em;
            color: white;
            background: #4a6f4a;
        }
.page-pdf2img /* ZIP card */
        .zip-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
.page-pdf2img .zip-card h3 { color: #4a6f4a; font-size: 1.1em; margin-bottom: 8px; font-weight: 600; }
.page-pdf2img .zip-card p { font-size: 0.9em; color: #555; margin-bottom: 12px; }
.page-pdf2img /* Page grid */
        .pages-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
.page-pdf2img .pages-card h3 { color: #4a6f4a; font-size: 1.1em; margin-bottom: 14px; font-weight: 600; }
.page-pdf2img .page-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 14px;
        }
.page-pdf2img .page-item {
            background: white;
            border-radius: 10px;
            border: 2px solid #c8e4c8;
            padding: 10px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: box-shadow 0.2s;
        }
.page-pdf2img .page-item:hover { box-shadow: 0 4px 12px rgba(74,111,74,0.15); }
.page-pdf2img .page-item canvas {
            width: 100%;
            border-radius: 5px;
            border: 1px solid #e0e0e0;
            cursor: pointer;
        }
.page-pdf2img .page-item .page-label { font-weight: 700; color: #4a6f4a; font-size: 0.88em; }
.page-pdf2img .page-item .page-meta { font-size: 0.75em; color: #888; }
.page-pdf2img .download-link {
            display: inline-block;
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            text-decoration: none;
            padding: 7px 12px;
            border-radius: 6px;
            font-size: 0.82em;
            font-weight: 600;
            transition: all 0.2s;
            border: none;
            cursor: pointer;
            width: 100%;
        }
.page-pdf2img .download-link:hover { transform: translateY(-1px); box-shadow: 0 3px 8px rgba(74,111,74,0.3); }
@media (max-width: 768px) {
.page-pdf2img .header h1 { font-size: 1.5em; }
.page-pdf2img .page-list { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

        
}



/* ==========================================================================
   PAGE: canva_pdf.html
   ========================================================================== */

.page-canvapdf .dropzone {
        border: 2px dashed #b0c8b0;
        border-radius: 12px;
        padding: 40px 24px;
        text-align: center;
        cursor: pointer;
        transition: border-color 0.3s, background 0.3s;
        position: relative;
        margin-bottom: 20px;
        background: #f8fdf8;
    }
.page-canvapdf .dropzone:hover, .page-canvapdf .dropzone.dragover {
        border-color: #4a6f4a;
        background: #e8f4e8;
    }
.page-canvapdf .dropzone input {
        position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
    }
.page-canvapdf .dropzone-icon {
        font-size: 2.5em;
        margin-bottom: 10px;
    }
.page-canvapdf .dropzone h3 { font-size: 1em; font-weight: 600; color: #333; margin-bottom: 5px; }
.page-canvapdf .dropzone p { font-size: 0.9em; color: #888; }
.page-canvapdf .file-info {
        display: none;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        background: #f0f7f0;
        border-radius: 8px;
        border: 1px solid #e8f4e8;
        margin-bottom: 20px;
    }
.page-canvapdf .file-icon { font-size: 1.8em; }
.page-canvapdf .file-meta { flex: 1; min-width: 0; }
.page-canvapdf .file-name { font-size: 0.95em; font-weight: 600; color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-canvapdf .file-size { font-size: 0.8em; color: #888; margin-top: 2px; }
.page-canvapdf .btn-icon {
        background: none; border: none; cursor: pointer;
        color: #aaa; font-size: 1.2em; padding: 4px 8px;
        border-radius: 6px; transition: color 0.2s, background 0.2s;
        line-height: 1;
    }
.page-canvapdf .btn-icon:hover { color: #c0392b; background: #fdf0f0; }
.page-canvapdf .preview-box {
        display: none;
        margin-bottom: 20px;
        border-radius: 10px;
        overflow: hidden;
        border: 1px solid #e8f4e8;
    }
.page-canvapdf .preview-header {
        font-size: 0.85em;
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        color: #4a6f4a;
        padding: 10px 15px;
        background: #f0f7f0;
        border-bottom: 1px solid #e8f4e8;
    }
.page-canvapdf .preview-body {
        background: #e8e8e8;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 16px;
    }
.page-canvapdf .preview-body canvas {
        display: block;
        box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        border-radius: 4px;
    }
.page-canvapdf .preview-loading {
        font-size: 0.9em;
        color: #888;
        padding: 30px;
    }
.page-canvapdf .diag-box {
        display: none;
        border-radius: 10px;
        overflow: hidden;
        border: 1px solid #e8f4e8;
        margin-bottom: 20px;
    }
.page-canvapdf .diag-header {
        font-size: 0.85em;
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        color: #4a6f4a;
        padding: 10px 15px;
        background: #f0f7f0;
        border-bottom: 1px solid #e8f4e8;
    }
.page-canvapdf .diag-item {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        padding: 10px 15px;
        border-bottom: 1px solid #f0f7f0;
        background: white;
    }
.page-canvapdf .diag-item:last-child { border-bottom: none; }
.page-canvapdf .diag-dot {
        width: 8px; height: 8px; border-radius: 50%;
        flex-shrink: 0; margin-top: 4px;
    }
.page-canvapdf .diag-dot.warn { background: #ffa500; }
.page-canvapdf .diag-dot.ok { background: #4a6f4a; }
.page-canvapdf .diag-label { font-size: 0.9em; font-weight: 600; color: #333; }
.page-canvapdf .diag-detail { font-size: 0.8em; color: #888; margin-top: 2px; }
.page-canvapdf .status-box {
        display: none;
        align-items: center;
        gap: 10px;
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 0.9em;
        font-weight: 600;
        margin-bottom: 20px;
    }
.page-canvapdf .status-box.info { background: #e8f4e8; color: #4a6f4a; border: 1px solid #b0c8b0; }
.page-canvapdf .status-box.success { background: #e8f4e8; color: #2d6a2d; border: 1px solid #7fa87c; }
.page-canvapdf .status-box.danger { background: #fdf0f0; color: #c0392b; border: 1px solid #f0b8b8; }
.page-canvapdf .calculate-button:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
    }
.page-canvapdf .calculate-button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.page-canvapdf .download-button {
        background: linear-gradient(135deg, #2d6a2d 0%, #4a8f4a 100%);
        color: white;
        border: none;
        padding: 15px 30px;
        font-size: 1.1em;
        font-weight: 600;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s;
        width: 100%;
        box-shadow: 0 4px 15px rgba(45, 106, 45, 0.3);
        display: none;
        align-items: center;
        justify-content: center;
        gap: 8px;
        margin-top: 10px;
    }
.page-canvapdf .download-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(45, 106, 45, 0.4);
    }
@keyframes spin { to { transform: rotate(360deg); } }
.page-canvapdf .spin { display: inline-block; animation: spin 0.8s linear infinite; }
@media (max-width: 480px) {
.page-canvapdf .header h1 { font-size: 1.5em; }

    
}



/* ==========================================================================
   PAGE: kalkulator_ukuran_cetak.html
   ========================================================================== */

.page-ukuran-cetak .warning-box {
            background: #fdecea;
            border-left: 4px solid #e74c3c;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 8px;
            font-size: 0.9em;
            color: #b03a2e;
        }
.page-ukuran-cetak /* Drop zone */
        .dropzone {
            border: 2px dashed #7fa87c;
            border-radius: 12px;
            background: #f8fdf8;
            padding: 30px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 25px;
        }
.page-ukuran-cetak .dropzone.dragover {
            background: #e8f4e8;
            border-color: #4a6f4a;
        }
.page-ukuran-cetak .dropzone p {
            color: #666;
            margin-bottom: 5px;
        }
.page-ukuran-cetak .dropzone .icon {
            font-size: 2.5em;
            margin-bottom: 10px;
        }
.page-ukuran-cetak .dropzone input[type="file"] {
            display: none;
        }
.page-ukuran-cetak .preview-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            margin-top: 15px;
        }
.page-ukuran-cetak .preview-wrap img {
            max-width: 100%;
            max-height: 250px;
            border-radius: 8px;
            border: 2px solid #e8f4e8;
        }
.page-ukuran-cetak .preview-info {
            font-size: 0.9em;
            color: #666;
            text-align: center;
        }
.page-ukuran-cetak #result {
            display: none;
            margin-top: 30px;
        }
.page-ukuran-cetak #result.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-ukuran-cetak .result-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
.page-ukuran-cetak .result-card h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            margin-bottom: 10px;
            font-weight: 600;
        }
.page-ukuran-cetak .result-card .thickness {
            font-size: 1.8em;
            font-weight: 700;
            color: #4a6f4a;
            margin-bottom: 8px;
        }
.page-ukuran-cetak .result-card .detail {
            font-size: 0.9em;
            color: #666;
            margin-top: 8px;
        }
.page-ukuran-cetak .result-card .formula {
            font-size: 0.85em;
            color: #888;
            font-style: italic;
            margin-top: 5px;
        }
.page-ukuran-cetak .dpi-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.85em;
            color: white;
        }
.page-ukuran-cetak .dpi-badge.bad { background: #e74c3c; }
.page-ukuran-cetak .dpi-badge.ok { background: #f39c12; }
.page-ukuran-cetak .dpi-badge.good { background: #27ae60; }
.page-ukuran-cetak .dpi-badge.great { background: #1f8a4c; }
@media (max-width: 768px) {
.page-ukuran-cetak .header h1 {
                font-size: 1.5em;
            }
.page-ukuran-cetak .result-card .thickness {
                font-size: 1.5em;
            }

        
}



/* ==========================================================================
   PAGE: hitung_potong_kertas.html
   ========================================================================== */

body.page-potong-kertas.dark-mode {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #e0e0e0;
        }
.page-potong-kertas .dark-mode-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            background: white;
            border-radius: 30px;
            padding: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
        }
body.page-potong-kertas.dark-mode .dark-mode-toggle {
            background: #2a2a3e;
        }
.page-potong-kertas .toggle-switch {
            width: 50px;
            height: 26px;
            background: #ccc;
            border-radius: 13px;
            position: relative;
            transition: background 0.3s;
        }
.page-potong-kertas .toggle-switch.active {
            background: #4a6f4a;
        }
.page-potong-kertas .toggle-slider {
            width: 22px;
            height: 22px;
            background: white;
            border-radius: 50%;
            position: absolute;
            top: 2px;
            left: 2px;
            transition: transform 0.3s;
        }
.page-potong-kertas .toggle-switch.active .toggle-slider {
            transform: translateX(24px);
        }
.page-potong-kertas .toggle-icon {
            font-size: 1.2em;
        }
body.page-potong-kertas.dark-mode .container {
            background: #2a2a3e;
            color: #e0e0e0;
        }
body.page-potong-kertas.dark-mode .header {
            background: linear-gradient(135deg, #3a4a5a 0%, #2a3a4a 100%);
        }
.page-potong-kertas .shape-selector {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            justify-content: center;
        }
.page-potong-kertas .shape-option {
            flex: 1;
            max-width: 200px;
            padding: 20px;
            border: 3px solid #ddd;
            border-radius: 12px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            background: white;
        }
body.page-potong-kertas.dark-mode .shape-option {
            background: #1a1a2e;
            border-color: #444;
            color: #e0e0e0;
        }
.page-potong-kertas .shape-option:hover {
            border-color: #7fa87c;
            transform: translateY(-2px);
        }
.page-potong-kertas .shape-option.active {
            border-color: #4a6f4a;
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
        }
body.page-potong-kertas.dark-mode .shape-option.active {
            background: linear-gradient(135deg, #3a4a5a 0%, #2a3a4a 100%);
            border-color: #6a8a6a;
        }
.page-potong-kertas .shape-icon {
            font-size: 2.5em;
            margin-bottom: 10px;
        }
.page-potong-kertas .shape-name {
            font-weight: 600;
            color: #4a6f4a;
        }
.page-potong-kertas .section-break {
            font-size: 1.1em;
            font-weight: 600;
            color: #4a6f4a;
            margin-bottom: 15px;
            padding-bottom: 10px;
        }
body.page-potong-kertas.dark-mode .section-title {
            color: #8fc98f;
            border-bottom-color: #444;
        }
body.page-potong-kertas.dark-mode label {
            color: #e0e0e0;
        }
.page-potong-kertas input {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1em;
            transition: border-color 0.3s;
        }
body.page-potong-kertas.dark-mode input {
            background: #1a1a2e;
            border-color: #444;
            color: #e0e0e0;
        }
body.page-potong-kertas.dark-mode input:focus {
            border-color: #6a8a6a;
        }
.page-potong-kertas .button-group {
            display: flex;
            gap: 15px;
            margin-top: 30px;
        }
.page-potong-kertas button {
            flex: 1;
            padding: 15px 30px;
            font-size: 1.1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
        }
.page-potong-kertas .calculate-button {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
        }
.page-potong-kertas .reset-button {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            color: #4a6f4a;
            border: 2px solid #4a6f4a;
        }
.page-potong-kertas .reset-button:hover {
            background: linear-gradient(135deg, #d4e8d4 0%, #c0dcc0 100%);
            transform: translateY(-2px);
        }
.page-potong-kertas #hasil {
            margin-top: 30px;
            padding: 25px;
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            display: none;
        }
body.page-potong-kertas.dark-mode #hasil {
            background: linear-gradient(135deg, #2a3a4a 0%, #3a4a5a 100%);
        }
.page-potong-kertas #hasil.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-potong-kertas .result-main {
            text-align: center;
            font-size: 1.5em;
            font-weight: 600;
            color: #4a6f4a;
            margin-bottom: 15px;
        }
body.page-potong-kertas.dark-mode .result-main {
            color: #8fc98f;
        }
.page-potong-kertas .result-details {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 10px;
            font-size: 0.9em;
            color: #666;
        }
body.page-potong-kertas.dark-mode .result-details {
            color: #b0b0b0;
        }
.page-potong-kertas .result-item {
            display: flex;
            justify-content: space-between;
            padding: 8px;
            background: white;
            border-radius: 6px;
        }
body.page-potong-kertas.dark-mode .result-item {
            background: #1a1a2e;
        }
.page-potong-kertas .visualization-container {
            margin-top: 30px;
            padding: 25px;
            background: #f8f9f8;
            border-radius: 12px;
            display: none;
        }
body.page-potong-kertas.dark-mode .visualization-container {
            background: #1a1a2e;
        }
.page-potong-kertas .visualization-container.show {
            display: block;
        }
.page-potong-kertas .visualization-title {
            font-size: 1.1em;
            font-weight: 600;
            color: #4a6f4a;
            margin-bottom: 20px;
            text-align: center;
        }
body.page-potong-kertas.dark-mode .visualization-title {
            color: #8fc98f;
        }
.page-potong-kertas #canvas-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 400px;
        }
.page-potong-kertas #layoutCanvas {
            border: 2px solid #7fa87c;
            border-radius: 8px;
            background: white;
            max-width: 100%;
            height: auto;
        }
body.page-potong-kertas.dark-mode #layoutCanvas {
            border-color: #6a8a6a;
        }
body.page-potong-kertas.dark-mode footer {
            background: #1a1a2e;
            color: #b0b0b0;
            border-top-color: #444;
        }
body.page-potong-kertas.dark-mode footer strong {
            color: #8fc98f;
        }
@media (max-width: 768px) {
.page-potong-kertas .header h1 {
                font-size: 1.5em;
            }
.page-potong-kertas .button-group {
                flex-direction: column;
            }
.page-potong-kertas .shape-selector {
                flex-direction: column;
            }
.page-potong-kertas .shape-option {
                max-width: 100%;
            }

        
}
.page-potong-kertas /* Dutch Cut Switch & Tooltip */
        .dutch-cut-control {
            margin-top: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.page-potong-kertas .control-label {
            font-weight: 600;
            font-size: 0.95em;
            color: #333;
        }
body.page-potong-kertas.dark-mode .control-label {
            color: #e0e0e0;
        }
.page-potong-kertas .tooltip-container {
            position: relative;
            display: inline-flex;
            align-items: center;
        }
.page-potong-kertas .help-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: #4a6f4a;
            color: white;
            border-radius: 50%;
            font-size: 0.8em;
            font-weight: bold;
            cursor: help;
            transition: background 0.3s;
        }
body.page-potong-kertas.dark-mode .help-icon {
            background: #6a8a6a;
        }
.page-potong-kertas .tooltip-text {
            visibility: hidden;
            width: 260px;
            background-color: #333;
            color: #fff;
            text-align: left;
            border-radius: 6px;
            padding: 10px;
            position: absolute;
            z-index: 100;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.85em;
            line-height: 1.4;
            box-shadow: 0 4px 10px rgba(0,0,0,0.25);
            pointer-events: none;
        }
.page-potong-kertas .tooltip-text::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: #333 transparent transparent transparent;
        }
.page-potong-kertas .tooltip-container:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }
body.page-potong-kertas.dark-mode .tooltip-text {
            background-color: #1a1a2e;
            border: 1px solid #444;
            color: #e0e0e0;
        }
body.page-potong-kertas.dark-mode .tooltip-text::after {
            border-color: #1a1a2e transparent transparent transparent;
        }



/* ==========================================================================
   PAGE: hitung_punggung_buku.html
   ========================================================================== */

.page-punggung-buku .collapsible-section {
            background: #f8f9f8;
            border-radius: 12px;
            margin-bottom: 25px;
            overflow: hidden;
            border: 2px solid #e8f4e8;
        }
.page-punggung-buku .collapsible-header {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            padding: 15px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }
.page-punggung-buku .collapsible-header:hover {
            background: linear-gradient(135deg, #d4e8d4 0%, #c0dcc0 100%);
        }
.page-punggung-buku .collapsible-header h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            font-weight: 600;
        }
.page-punggung-buku .collapsible-icon {
            font-size: 1.2em;
            color: #4a6f4a;
            transition: transform 0.3s;
        }
.page-punggung-buku .collapsible-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
        }
.page-punggung-buku .collapsible-content.active {
            max-height: 2000px;
            padding: 20px;
        }
.page-punggung-buku #result {
            display: none;
            margin-top: 30px;
        }
.page-punggung-buku #result.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-punggung-buku .result-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
.page-punggung-buku .result-card h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            margin-bottom: 10px;
            font-weight: 600;
        }
.page-punggung-buku .result-card .thickness {
            font-size: 1.8em;
            font-weight: 700;
            color: #4a6f4a;
            margin-bottom: 8px;
        }
.page-punggung-buku .result-card .detail {
            font-size: 0.9em;
            color: #666;
            margin-top: 8px;
        }
.page-punggung-buku .result-card .formula {
            font-size: 0.85em;
            color: #888;
            font-style: italic;
            margin-top: 5px;
        }
.page-punggung-buku .paper-types-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
            font-size: 0.9em;
        }
.page-punggung-buku .paper-types-table th, .page-punggung-buku .paper-types-table td {
            padding: 10px;
            text-align: left;
            border-bottom: 1px solid #e8f4e8;
        }
.page-punggung-buku .paper-types-table th {
            background: #f0f7f0;
            color: #4a6f4a;
            font-weight: 600;
        }
.page-punggung-buku .paper-types-table tr:hover {
            background: #f8fdf8;
        }
@media (max-width: 768px) {
.page-punggung-buku .header h1 {
                font-size: 1.5em;
            }
.page-punggung-buku .result-card .thickness {
                font-size: 1.5em;
            }

        
}



/* ==========================================================================
   PAGE: hitung_kupon.html
   ========================================================================== */

.page-kupon /* Visualisasi Kupon */
        .visualisasi-container {
            background: #f8f9f8;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 30px;
            border: 2px solid #e8f4e8;
        }
.page-kupon .visualisasi-container h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            margin-bottom: 15px;
        }
.page-kupon .kupon-preview {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            margin-bottom: 15px;
        }
.page-kupon .a4-paper {
            width: 200px;
            height: 290px;
            border: 2px solid #4a6f4a;
            background-color: white;
            position: relative;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            border-radius: 4px;
            overflow: hidden;
        }
.page-kupon .kupon-item {
            position: absolute;
            border: 1px dashed #7fa87c;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            color: #4a6f4a;
            font-weight: bold;
        }
.page-kupon /* Layouts (Sama seperti sebelumnya) */
        .a4-paper.layout-1-6 .kupon-item { width: 33.33%; height: 50%; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(1) { top: 0; left: 0; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(2) { top: 0; left: 33.33%; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(3) { top: 0; left: 66.66%; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(4) { top: 50%; left: 0; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(5) { top: 50%; left: 33.33%; }
.page-kupon .a4-paper.layout-1-6 .kupon-item:nth-child(6) { top: 50%; left: 66.66%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item { width: 25%; height: 50%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(1) { top: 0; left: 0; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(2) { top: 0; left: 25%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(3) { top: 0; left: 50%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(4) { top: 0; left: 75%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(5) { top: 50%; left: 0; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(6) { top: 50%; left: 25%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(7) { top: 50%; left: 50%; }
.page-kupon .a4-paper.layout-1-8 .kupon-item:nth-child(8) { top: 50%; left: 75%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item { width: 20%; height: 50%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(1) { top: 0; left: 0; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(2) { top: 0; left: 20%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(3) { top: 0; left: 40%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(4) { top: 0; left: 60%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(5) { top: 0; left: 80%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(6) { top: 50%; left: 0; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(7) { top: 50%; left: 20%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(8) { top: 50%; left: 40%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(9) { top: 50%; left: 60%; }
.page-kupon .a4-paper.layout-1-10 .kupon-item:nth-child(10) { top: 50%; left: 80%; }
.page-kupon .a4-paper.layout-1-5h .kupon-item { width: 100%; height: 20%; }
.page-kupon .a4-paper.layout-1-5h .kupon-item:nth-child(1) { top: 0; left: 0; }
.page-kupon .a4-paper.layout-1-5h .kupon-item:nth-child(2) { top: 20%; left: 0; }
.page-kupon .a4-paper.layout-1-5h .kupon-item:nth-child(3) { top: 40%; left: 0; }
.page-kupon .a4-paper.layout-1-5h .kupon-item:nth-child(4) { top: 60%; left: 0; }
.page-kupon .a4-paper.layout-1-5h .kupon-item:nth-child(5) { top: 80%; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item { width: 100%; height: 16.66%; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(1) { top: 0; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(2) { top: 16.66%; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(3) { top: 33.32%; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(4) { top: 49.98%; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(5) { top: 66.64%; left: 0; }
.page-kupon .a4-paper.layout-1-6h .kupon-item:nth-child(6) { top: 83.30%; left: 0; }
.page-kupon .kupon-info {
            background-color: white;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #e8f4e8;
        }
.page-kupon .info-row {
            display: flex;
            justify-content: space-between;
            padding: 6px 0;
            font-size: 0.9em;
            border-bottom: 1px dashed #eee;
        }
.page-kupon .info-row:last-child { border-bottom: none; }
.page-kupon .info-label { font-weight: 600; color: #666; }
.page-kupon .info-value { color: #333; }
.page-kupon /* Hasil Output */
        #outputSection {
            display: none;
            margin-top: 30px;
        }
.page-kupon #outputSection.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-kupon .result-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            position: relative;
        }
.page-kupon .output-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 15px;
        }
.page-kupon .output-item {
            background: rgba(255, 255, 255, 0.6);
            padding: 12px;
            border-radius: 8px;
        }
.page-kupon .output-label {
            display: block;
            font-weight: 600;
            color: #4a6f4a;
            font-size: 0.85em;
            margin-bottom: 4px;
        }
.page-kupon .output-value {
            color: #333;
            font-size: 1.1em;
            font-weight: 700;
        }
.page-kupon .books-estimate {
            background: #fff;
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 15px;
            font-size: 0.95em;
            line-height: 1.6;
            border-left: 4px solid #4a6f4a;
            color: #333;
        }
.page-kupon .final-price {
            background: #fff;
            padding: 15px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
.page-kupon .final-price .output-label {
            font-size: 1.1em;
            margin-bottom: 0;
        }
.page-kupon .final-price .output-value {
            font-size: 1.4em;
            color: #4a6f4a;
        }
.page-kupon .copy-btn {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
            box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
            margin-top: 10px;
            display: none;
        }
.page-kupon .copy-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
        }
.page-kupon .copy-btn:active {
            transform: translateY(0);
        }
.page-kupon .copy-feedback {
            margin-top: 15px;
            padding: 12px;
            background-color: #d4e8d4;
            color: #4a6f4a;
            border-radius: 8px;
            text-align: center;
            font-size: 0.95em;
            font-weight: 600;
            display: none;
        }
.page-kupon .copy-feedback.show {
            display: block;
            animation: fadeIn 0.3s ease-out;
        }
@media (max-width: 768px) {
.page-kupon .output-grid { grid-template-columns: 1fr; }
.page-kupon .csv-grid-3 { grid-template-columns: 1fr !important; }
.page-kupon .csv-grid-2 { grid-template-columns: 1fr !important; }

        
}
.page-kupon /* Toggle switch */
        .toggle-wrap { display:inline-flex; align-items:center; }
.page-kupon .toggle-track {
            width: 40px; height: 22px;
            background: #ccc;
            border-radius: 11px;
            position: relative;
            cursor: pointer;
            transition: background 0.25s;
            flex-shrink: 0;
        }
.page-kupon .toggle-track.on { background: #4a6f4a; }
.page-kupon .toggle-thumb {
            width: 18px; height: 18px;
            background: white;
            border-radius: 50%;
            position: absolute;
            top: 2px; left: 2px;
            transition: left 0.25s;
            box-shadow: 0 1px 3px rgba(0,0,0,0.2);
        }
.page-kupon .toggle-track.on .toggle-thumb { left: 20px; }
.page-kupon #csvStartNomor:disabled {
            background: #eee;
            color: #aaa;
            cursor: not-allowed;
            border-color: #ddd;
        }
.page-kupon /* Segmented paper toggle button */
        .paper-toggle-btn {
            flex: 1;
            border: none;
            background-color: #fff;
            color: #333;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
.page-kupon .paper-toggle-btn:hover {
            background-color: #f4f9f4;
        }
.page-kupon .paper-toggle-btn.active {
            background-color: #4a6f4a;
            color: #fff;
        }
.page-kupon .paper-toggle-btn.active:hover {
            background-color: #4a6f4a;
        }
.page-kupon /* A3+ Paper Preview */
        .a3plus-paper {
            width: 200px;
            height: 302px;
            border: 2px solid #4a6f4a;
            background-color: white;
            position: relative;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            border-radius: 4px;
            overflow: hidden;
        }
.page-kupon /* F4 Paper Preview */
        .f4-paper {
            width: 200px;
            height: 312px;
            border: 2px solid #4a6f4a;
            background-color: white;
            position: relative;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            border-radius: 4px;
            overflow: hidden;
        }



/* ==========================================================================
   PAGE: hitung_harga_buku.html
   ========================================================================== */

.page-harga-buku .header h2 {
            font-size: 1.3em;
            color: #d4e8d4;
            font-weight: 400;
        }
.page-harga-buku .header p {
            color: #b8d4b8;
            font-style: italic;
            margin-top: 5px;
        }
.page-harga-buku .calculate-button {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            border: none;
            padding: 20px 40px;
            font-size: 1.3em;
            font-weight: 700;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;
            max-width: 400px;
            margin: 30px auto;
            box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
        }
.page-harga-buku .calculate-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
        }
.page-harga-buku .calculate-button:active {
            transform: translateY(-1px);
        }
.page-harga-buku .results-container {
            display: none;
            opacity: 0;
            animation: fadeInUp 0.5s ease-out forwards;
        }
.page-harga-buku .results-container.show {
            display: block;
        }
@keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(-10px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
@keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
.page-harga-buku .price-display {
            background: linear-gradient(135deg, #6b8e6b 0%, #4a6f4a 100%);
            padding: 40px;
            border-radius: 12px;
            text-align: center;
            margin: 30px 0;
            color: white;
            animation: scaleIn 0.4s ease-out;
        }
.page-harga-buku .price-label {
            font-size: 1.2em;
            margin-bottom: 10px;
            opacity: 0.9;
        }
.page-harga-buku .price-value {
            font-size: 3.5em;
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
.page-harga-buku .copy-button {
            background: #ff6b35;
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            margin-top: 20px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            max-width: 300px;
            margin: 20px auto 0;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }
.page-harga-buku .copy-button:hover {
            background: #ff8555;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
        }
.page-harga-buku .copy-button:active {
            transform: translateY(0);
        }
.page-harga-buku .copy-button.copied {
            background: #4caf50;
            color: white;
        }
.page-harga-buku .reset-button {
            background: #dc3545;
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            margin-top: 30px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            max-width: 300px;
            margin: 30px auto 0;
            box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
        }
.page-harga-buku .reset-button:hover {
            background: #c82333;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(220, 53, 69, 0.4);
        }
.page-harga-buku .reset-button:active {
            transform: translateY(0);
        }
.page-harga-buku .divider {
            height: 2px;
            background: linear-gradient(to right, transparent, #7fa87c, transparent);
            margin: 30px 0;
        }
.page-harga-buku .hpp-section {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 20px;
        }
.page-harga-buku .breakdown-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #e0e0e0;
            animation: slideIn 0.3s ease-out forwards;
            opacity: 0;
        }
.page-harga-buku .breakdown-item:nth-child(1) { animation-delay: 0.1s; }
.page-harga-buku .breakdown-item:nth-child(2) { animation-delay: 0.15s; }
.page-harga-buku .breakdown-item:nth-child(3) { animation-delay: 0.2s; }
.page-harga-buku .breakdown-item:nth-child(4) { animation-delay: 0.25s; }
.page-harga-buku .breakdown-item:nth-child(5) { animation-delay: 0.3s; }
.page-harga-buku .breakdown-item:nth-child(6) { animation-delay: 0.35s; }
.page-harga-buku .breakdown-item:last-child {
            border-bottom: none;
        }
.page-harga-buku .breakdown-detail {
            font-size: 0.85em;
            color: #666;
            margin-left: 20px;
            margin-bottom: 10px;
        }
.page-harga-buku .total-hpp {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 2px solid #7fa87c;
            font-weight: bold;
            font-size: 1.2em;
            color: #4a6f4a;
        }
.page-harga-buku .markup-section {
            background: #e8f4e8;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            border: 2px solid #a8c5a5;
        }
.page-harga-buku .markup-section label {
            color: #4a6f4a;
            font-size: 1.1em;
            display: block;
            margin-bottom: 10px;
        }
.page-harga-buku .markup-section input {
            width: 100%;
            max-width: 200px;
        }
.page-harga-buku .final-cost {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            padding: 25px;
            border-radius: 10px;
            color: white;
            text-align: center;
        }
.page-harga-buku .final-cost-label {
            font-size: 1.1em;
            margin-bottom: 10px;
            opacity: 0.9;
        }
.page-harga-buku .final-cost-value {
            font-size: 2.5em;
            font-weight: 700;
        }
.page-harga-buku .footer {
            background: #f8f9fa;
            padding: 20px;
            text-align: center;
            color: #666;
            font-size: 0.85em;
            border-top: 1px solid #ddd;
        }
.page-harga-buku .footer p {
            margin: 5px 0;
        }



/* ==========================================================================
   PAGE: hitung_harga_spanram.html
   ========================================================================== */

.page-spanram input {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1em;
            transition: border-color 0.3s;
        }
.page-spanram .collapsible-section {
            background: #f8f9f8;
            border-radius: 12px;
            margin-bottom: 25px;
            overflow: hidden;
            border: 2px solid #e8f4e8;
        }
.page-spanram .collapsible-header {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            padding: 15px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }
.page-spanram .collapsible-header:hover {
            background: linear-gradient(135deg, #d4e8d4 0%, #c0dcc0 100%);
        }
.page-spanram .collapsible-header h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            font-weight: 600;
        }
.page-spanram .collapsible-icon {
            font-size: 1.2em;
            color: #4a6f4a;
            transition: transform 0.3s;
        }
.page-spanram .collapsible-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
        }
.page-spanram .collapsible-content.active {
            max-height: 1000px;
            padding: 20px;
        }
.page-spanram #result {
            display: none;
            margin-top: 30px;
        }
.page-spanram #result.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-spanram .result-card {
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            position: relative;
        }
.page-spanram .result-card h3 {
            color: #4a6f4a;
            font-size: 1.1em;
            margin-bottom: 10px;
            font-weight: 600;
        }
.page-spanram .result-card .price {
            font-size: 1.8em;
            font-weight: 700;
            color: #4a6f4a;
            margin-bottom: 8px;
        }
.page-spanram .result-card .detail {
            font-size: 0.9em;
            color: #666;
            font-style: italic;
        }
.page-spanram .copy-button {
            background: #7fa87c;
            color: white;
            border: none;
            padding: 8px 12px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 0.8em;
            position: absolute;
            top: 10px;
            right: 10px;
            transition: background 0.3s;
        }
.page-spanram .copy-button:hover {
            background: #6b8e6b;
        }
.page-spanram /* Toggle Switch Styles */
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
        }
.page-spanram .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
.page-spanram .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }
.page-spanram .slider:before {
            position: absolute;
            content: "";
            height: 18px;
            width: 18px;
            left: 3px;
            bottom: 3px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
.page-spanram input:checked + .slider {
            background-color: #7fa87c;
        }
.page-spanram input:checked + .slider:before {
            transform: translateX(26px);
        }
@media (max-width: 768px) {
.page-spanram .header h1 {
                font-size: 1.5em;
            }
.page-spanram .result-card .price {
                font-size: 1.5em;
            }

        
}
.page-spanram /* Aksen Merah untuk Card Reseller */
        .result-card.card-reseller {
            background: linear-gradient(135deg, #fce8e8 0%, #f4d4d4 100%);
            border: 1px solid #fad2d2;
        }
.page-spanram .result-card.card-reseller h3, .page-spanram .result-card.card-reseller .price {
            color: #a84a4a;
        }
.page-spanram .result-card.card-reseller .price-sub {
            color: #b56b6b !important;
        }
.page-spanram .result-card.card-reseller .copy-button {
            background: #d97777;
        }
.page-spanram .result-card.card-reseller .copy-button:hover {
            background: #b55a5a;
        }
.page-spanram /* Aksen Biru untuk Card HPP */
        .result-card.card-hpp {
            background: linear-gradient(135deg, #e8f0fc 0%, #d4e2f4 100%);
            border: 1px solid #d2e0fa;
        }
.page-spanram .result-card.card-hpp h3, .page-spanram .result-card.card-hpp .price {
            color: #4a689e;
        }



/* ==========================================================================
   PAGE: hitung_jasa_laser_cutting.html
   ========================================================================== */

.page-laser-cutting .inline-inputs {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }
.page-laser-cutting .time-input-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
.page-laser-cutting .time-input-group input {
            text-align: center;
        }
.page-laser-cutting .time-input-group label {
            grid-column: 1 / -1;
            margin-bottom: 8px;
        }
.page-laser-cutting .separator {
            text-align: center;
            font-size: 1.5em;
            font-weight: bold;
            color: #7fa87c;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 5px;
        }
.page-laser-cutting .result-section {
            display: none;
            margin-top: 30px;
            padding: 25px;
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
        }
.page-laser-cutting .result-section.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-laser-cutting .result-item {
            margin-bottom: 20px;
        }
.page-laser-cutting .result-item:last-child {
            margin-bottom: 0;
        }
.page-laser-cutting .result-label {
            font-size: 0.9em;
            color: #666;
            font-weight: 500;
            margin-bottom: 5px;
        }
.page-laser-cutting .result-value {
            font-size: 1.8em;
            font-weight: 700;
            color: #4a6f4a;
        }
.page-laser-cutting .result-item.total {
            padding-top: 15px;
            border-top: 2px solid rgba(74, 111, 74, 0.2);
            margin-top: 15px;
        }
.page-laser-cutting .result-value.total {
            font-size: 2.2em;
        }
.page-laser-cutting .breakdown {
            font-size: 0.85em;
            color: #666;
            margin-top: 8px;
            font-weight: 400;
        }
.page-laser-cutting .info-box {
            background: #f0f5f0;
            border-left: 4px solid #7fa87c;
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 20px;
            font-size: 0.9em;
            color: #555;
            line-height: 1.6;
        }
@media (max-width: 600px) {
.page-laser-cutting .header h1 {
                font-size: 1.5em;
            }
.page-laser-cutting .inline-inputs {
                grid-template-columns: 1fr;
            }
.page-laser-cutting .time-input-group {
                grid-template-columns: 1fr 1fr;
            }
.page-laser-cutting .result-value {
                font-size: 1.5em;
            }
.page-laser-cutting .result-value.total {
                font-size: 1.8em;
            }
.page-laser-cutting .separator {
                display: none;
            }
.page-laser-cutting .time-input-group input:first-of-type {
                order: 1;
            }
.page-laser-cutting .time-input-group input:last-of-type {
                order: 3;
            }

        
}



/* ==========================================================================
   PAGE: hitung_ganci_akrilik.html
   ========================================================================== */

.page-ganci-akrilik .inline-inputs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }
.page-ganci-akrilik .result-section {
            display: none;
            margin-top: 30px;
            padding: 25px;
            background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
            border-radius: 12px;
            text-align: center;
        }
.page-ganci-akrilik .result-section.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
.page-ganci-akrilik .result-title {
            font-size: 1.1em;
            font-weight: 600;
            color: #4a6f4a;
            margin-bottom: 15px;
        }
.page-ganci-akrilik .price-main {
            font-size: 2.5em;
            font-weight: 700;
            color: #4a6f4a;
            margin-bottom: 15px;
        }
.page-ganci-akrilik .price-reseller {
            font-size: 1.2em;
            color: #666;
            font-weight: 500;
        }
@media (max-width: 600px) {
.page-ganci-akrilik .header h1 {
                font-size: 1.5em;
            }
.page-ganci-akrilik .inline-inputs {
                grid-template-columns: 1fr;
            }
.page-ganci-akrilik .price-main {
                font-size: 2em;
            }

        
}



/* ==========================================================================
   PAGE: template_approval_pesanan.html
   ========================================================================== */

.page-approval input[type="text"], .page-approval input[type="number"] {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1em;
            transition: border-color 0.3s;
            width: 100%;
            outline: none;
        }
.page-approval input:focus {
            border-color: #7fa87c;
        }
.page-approval input.error-field {
            border-color: #e53e3e !important;
        }
.page-approval .input-prefix-wrap {
            position: relative;
        }
.page-approval .input-prefix {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-weight: 600;
            color: #555;
            pointer-events: none;
            font-size: 1em;
        }
.page-approval .input-prefix-wrap input {
            padding-left: 38px;
        }
.page-approval /* Input with dropdown on right */
        .input-with-dropdown {
            display: flex;
            border: 2px solid #ddd;
            border-radius: 8px;
            overflow: hidden;
            transition: border-color 0.3s;
        }
.page-approval .input-with-dropdown:focus-within {
            border-color: #7fa87c;
        }
.page-approval .input-with-dropdown.error-field {
            border-color: #e53e3e !important;
        }
.page-approval .input-with-dropdown input {
            flex: 1;
            border: none;
            border-radius: 0;
            padding: 12px;
            font-size: 1em;
            outline: none;
            min-width: 0;
        }
.page-approval .input-with-dropdown.has-prefix input {
            padding-left: 38px;
        }
.page-approval .dropdown-divider {
            width: 1px;
            background: #ddd;
            flex-shrink: 0;
        }
.page-approval .input-with-dropdown select {
            border: none;
            background: #f5f9f5;
            padding: 0 10px;
            font-size: 0.9em;
            font-weight: 600;
            color: #4a6f4a;
            cursor: pointer;
            outline: none;
            min-width: 90px;
        }
.page-approval .prefix-inside {
            position: relative;
        }
.page-approval .prefix-inside .input-prefix {
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            position: absolute;
            pointer-events: none;
            font-weight: 600;
            color: #555;
            z-index: 1;
        }
.page-approval /* Deadline */
        .deadline-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
.page-approval .deadline-wrap input {
            width: 90px;
            text-align: center;
        }
.page-approval .deadline-label {
            font-size: 0.9em;
            color: #666;
        }
.page-approval .deadline-result {
            margin-top: 8px;
            font-size: 0.9em;
            color: #4a6f4a;
            font-weight: 600;
            min-height: 20px;
        }
.page-approval /* Buttons */
        .button-group {
            display: flex;
            gap: 15px;
            margin-top: 10px;
        }
.page-approval button {
            flex: 1;
            padding: 14px 20px;
            font-size: 1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
.page-approval .copy-button {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
        }
.page-approval .copy-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
        }
.page-approval .wa-button {
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
        }
.page-approval .wa-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
        }
.page-approval /* Toast Popup */
        .toast {
            position: fixed;
            top: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 0.95em;
            font-weight: 600;
            color: white;
            opacity: 0;
            pointer-events: none;
            transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            z-index: 9999;
            text-align: center;
            max-width: 90vw;
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
        }
.page-approval .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
.page-approval .toast.success {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
        }
.page-approval .toast.error {
            background: linear-gradient(135deg, #c53030 0%, #e53e3e 100%);
        }
.page-approval /* Footer */
        footer {
            text-align: center;
            padding: 20px 30px;
            background: #f8f9f8;
            color: #666;
            font-size: 0.85em;
            line-height: 1.7;
            border-top: 1px solid #e8f4e8;
        }
@media (max-width: 480px) {
.page-approval .header h1 { font-size: 1.3em; }
.page-approval .button-group { flex-direction: column; }
.page-approval .deadline-wrap { flex-wrap: wrap; }
}


/* ==========================================================================
   GLOBAL DARK MODE SYSTEM
   ========================================================================== */

/* --- Dark Mode Toggle Switch Widget --- */
.dark-mode-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.15);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s;
}

.dark-mode-toggle:hover {
    background: rgba(0, 0, 0, 0.25);
}

.toggle-switch {
    width: 42px;
    height: 22px;
    background: #cbd5e1;
    border-radius: 11px;
    position: relative;
    transition: background 0.3s;
}

.toggle-switch.active {
    background: #7fa87c;
}

.toggle-slider {
    width: 18px;
    height: 18px;
    background: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.page-approval .input-with-dropdown.error-field {
            border-color: #e53e3e !important;
        }
.page-approval .input-with-dropdown input {
            flex: 1;
            border: none;
            border-radius: 0;
            padding: 12px;
            font-size: 1em;
            outline: none;
            min-width: 0;
        }
.page-approval .input-with-dropdown.has-prefix input {
            padding-left: 38px;
        }
.page-approval .dropdown-divider {
            width: 1px;
            background: #ddd;
            flex-shrink: 0;
        }
.page-approval .input-with-dropdown select {
            border: none;
            background: #f5f9f5;
            padding: 0 10px;
            font-size: 0.9em;
            font-weight: 600;
            color: #4a6f4a;
            cursor: pointer;
            outline: none;
            min-width: 90px;
        }
.page-approval .prefix-inside {
            position: relative;
        }
.page-approval .prefix-inside .input-prefix {
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            position: absolute;
            pointer-events: none;
            font-weight: 600;
            color: #555;
            z-index: 1;
        }
.page-approval /* Deadline */
        .deadline-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
.page-approval .deadline-wrap input {
            width: 90px;
            text-align: center;
        }
.page-approval .deadline-label {
            font-size: 0.9em;
            color: #666;
        }
.page-approval .deadline-result {
            margin-top: 8px;
            font-size: 0.9em;
            color: #4a6f4a;
            font-weight: 600;
            min-height: 20px;
        }
.page-approval /* Buttons */
        .button-group {
            display: flex;
            gap: 15px;
            margin-top: 10px;
        }
.page-approval button {
            flex: 1;
            padding: 14px 20px;
            font-size: 1em;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
.page-approval .copy-button {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(74, 111, 74, 0.3);
        }
.page-approval .copy-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(74, 111, 74, 0.4);
        }
.page-approval .wa-button {
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
        }
.page-approval .wa-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
        }
.page-approval /* Toast Popup */
        .toast {
            position: fixed;
            top: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 0.95em;
            font-weight: 600;
            color: white;
            opacity: 0;
            pointer-events: none;
            transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            z-index: 9999;
            text-align: center;
            max-width: 90vw;
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
        }
.page-approval .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
.page-approval .toast.success {
            background: linear-gradient(135deg, #4a6f4a 0%, #6b8e6b 100%);
        }
.page-approval .toast.error {
            background: linear-gradient(135deg, #c53030 0%, #e53e3e 100%);
        }
.page-approval /* Footer */
        footer {
            text-align: center;
            padding: 20px 30px;
            background: #f8f9f8;
            color: #666;
            font-size: 0.85em;
            line-height: 1.7;
            border-top: 1px solid #e8f4e8;
        }
@media (max-width: 480px) {
.page-approval .header h1 { font-size: 1.3em; }
.page-approval .button-group { flex-direction: column; }
.page-approval .deadline-wrap { flex-wrap: wrap; }
}


/* ==========================================================================
   GLOBAL DARK MODE SYSTEM
   ========================================================================== */

/* --- Dark Mode Toggle Switch Widget (Disembunyikan sementara: ubah ke inline-flex untuk mengaktifkan kembali) --- */
.dark-mode-toggle {
    display: none !important;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.15);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s;
}

.dark-mode-toggle:hover {
    background: rgba(0, 0, 0, 0.25);
}

.toggle-switch {
    width: 42px;
    height: 22px;
    background: #cbd5e1;
    border-radius: 11px;
    position: relative;
    transition: background 0.3s;
}

.toggle-switch.active {
    background: #7fa87c;
}

.toggle-slider {
    width: 18px;
    height: 18px;
    background: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(20px);
}

.toggle-icon {
    font-size: 1.1em;
}

/* --- High-Contrast Dark Mode Base & Layout Overrides --- */
body.dark-mode {
    background: linear-gradient(135deg, #0d120d 0%, #161f16 100%) !important;
    color: #ffffff !important;
}

body.dark-mode .container {
    background: #182218 !important;
    color: #ffffff !important;
    border: 1px solid #2e422e !important;
    box-shadow: 0 12px 48px rgba(0,0,0,0.7) !important;
}

body.dark-mode .header {
    background: linear-gradient(135deg, #1b381b 0%, #112611 100%) !important;
    color: #ffffff !important;
    border-bottom: 1px solid #2e4a2e !important;
}

body.dark-mode .header h1,
body.dark-mode .header h2 {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4) !important;
}

body.dark-mode .header p {
    color: #b8e8b8 !important;
}

body.dark-mode .section-title,
body.dark-mode .section-break {
    color: #8be88b !important;
    border-bottom: 2px solid #344e34 !important;
    font-weight: 700 !important;
}

body.dark-mode label {
    color: #d0ecd0 !important;
    font-weight: 600 !important;
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    background-color: #121a12 !important;
    color: #ffffff !important;
    border: 2px solid #3d5a3d !important;
}

body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus {
    border-color: #8be88b !important;
    box-shadow: 0 0 0 3px rgba(139, 232, 139, 0.25) !important;
}

/* --- Dark Mode Menu (index.html) --- */
body.dark-mode .category-label {
    color: #8be88b !important;
    border-bottom: 2px solid #344e34 !important;
}

body.dark-mode .menu-btn {
    background: #202c20 !important;
    color: #ffffff !important;
    border: 1px solid #3a523a !important;
    box-shadow: 0 4px 14px rgba(0,0,0,0.4) !important;
}

body.dark-mode .menu-btn:hover {
    background: #2c3f2c !important;
    border-color: #8be88b !important;
    box-shadow: 0 6px 18px rgba(139, 232, 139, 0.25) !important;
}

body.dark-mode .content-topbar {
    background: #141d14 !important;
    color: #ffffff !important;
    border-bottom: 1px solid #2e422e !important;
}

body.dark-mode #back-btn {
    background: #243524 !important;
    color: #ffffff !important;
    border: 1px solid #476647 !important;
}

body.dark-mode #back-btn:hover {
    background: #314931 !important;
    border-color: #8be88b !important;
}

/* --- Dark Mode Subpage Component Overrides --- */
body.dark-mode .hpp-section,
body.dark-mode .visualisasi-container,
body.dark-mode .collapsible-section,
body.dark-mode .result-section,
body.dark-mode .info-box,
body.dark-mode .markup-section,
body.dark-mode .form-section,
body.dark-mode .shape-selector,
body.dark-mode .dutch-cut-control {
    background: #1c281c !important;
    border: 2px solid #334a33 !important;
    color: #ffffff !important;
}

body.dark-mode .collapsible-header {
    background: linear-gradient(135deg, #223c22 0%, #162816 100%) !important;
}

body.dark-mode .collapsible-header:hover {
    background: linear-gradient(135deg, #2c4c2c 0%, #1d331d 100%) !important;
}

body.dark-mode .collapsible-header h3,
body.dark-mode .collapsible-icon {
    color: #8be88b !important;
}

body.dark-mode .shape-option {
    background: #141e14 !important;
    border: 2px solid #334a33 !important;
    color: #d0ecd0 !important;
}

body.dark-mode .shape-option.active {
    background: #2b452b !important;
    border-color: #8be88b !important;
    color: #ffffff !important;
}

body.dark-mode .breakdown-item {
    border-bottom: 1px solid #334a33 !important;
    color: #ffffff !important;
}

body.dark-mode .breakdown-detail,
body.dark-mode .result-card .detail,
body.dark-mode .result-card .formula {
    color: #bce4bc !important;
    font-weight: 500 !important;
}

body.dark-mode .total-hpp {
    color: #9ff39f !important;
    border-top: 2px solid #4a6f4a !important;
    font-weight: 700 !important;
}

body.dark-mode .price-display,
body.dark-mode .final-cost {
    background: linear-gradient(135deg, #1f421f 0%, #122812 100%) !important;
    border: 1px solid #366336 !important;
    color: #ffffff !important;
}

body.dark-mode .price-value,
body.dark-mode .final-cost-value {
    color: #ffffff !important;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5) !important;
}

body.dark-mode .result-card {
    background: linear-gradient(135deg, #1c281c 0%, #152015 100%) !important;
    border: 1px solid #334a33 !important;
    color: #ffffff !important;
}

body.dark-mode .result-card h3,
body.dark-mode .result-card .price,
body.dark-mode .result-card .thickness,
body.dark-mode .result-value {
    color: #9ff39f !important;
}

body.dark-mode .info-box {
    background: #182418 !important;
    border-left: 4px solid #8be88b !important;
    color: #d8f3d8 !important;
}

body.dark-mode .warning-box {
    background: #381a1a !important;
    border-left: 4px solid #f56c5c !important;
    color: #ffcfcf !important;
}

body.dark-mode .kupon-preview,
body.dark-mode .a4-paper,
body.dark-mode .a3plus-paper,
body.dark-mode .f4-paper {
    background-color: #141e14 !important;
    border-color: #8be88b !important;
}

body.dark-mode table,
body.dark-mode th,
body.dark-mode td,
body.dark-mode .paper-types-table th,
body.dark-mode .paper-types-table td {
    border-bottom: 1px solid #2d422d !important;
    color: #ffffff !important;
}

body.dark-mode th,
body.dark-mode .paper-types-table th {
    background: #203220 !important;
    color: #8be88b !important;
}

body.dark-mode tr:hover,
body.dark-mode .paper-types-table tr:hover {
    background: #283a28 !important;
}

body.dark-mode footer,
body.dark-mode .footer {
    background: #101710 !important;
    color: #a0cfa0 !important;
    border-top: 1px solid #283a28 !important;
}

body.dark-mode .password-container {
    background: #182218 !important;
    border: 1px solid #334a33 !important;
    box-shadow: 0 12px 48px rgba(0,0,0,0.7) !important;
}

body.dark-mode .password-header {
    background: linear-gradient(135deg, #1b381b 0%, #112611 100%) !important;
}