/* ===== VARIABLES ===== */
:root {
    --primary: #3a5f8b;
    --primary-dark: #2c4b6f;
    --primary-light: #eef3f9;
    --bg-light: #f9fbfd;
    --bg-dark: #1a1a2c;
    --card-light: #ffffff;
    --card-dark: #252537;
    --text-light: #1f2a3a;
    --text-dark: #edf2f7;
    --border-light: #e2e8f0;
    --border-dark: #33334a;
    --gray: #64748b;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.02);
    --shadow: 0 8px 20px rgba(0,0,0,0.04);
    --shadow-hover: 0 16px 30px rgba(0,0,0,0.08);
    --transition: all 0.25s ease;

    /* Dynamic text color */
    --text-color: var(--text-light);
    color-scheme: light;
}

[data-bs-theme="dark"] {
    --text-color: var(--text-dark);
    --primary-light: #2d2d3f;
    --gray: #94a3b8;
    --border-light: var(--border-dark); /* Semua border jadi gelap di dark mode */
    color-scheme: dark;
}

/* ===== BASE ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    color-scheme: light dark;
}

body {
    font-family: 'Inter', sans-serif;
    padding-top: 80px;
    background-color: var(--bg-light) !important;
    color: var(--text-color) !important;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

[data-bs-theme="dark"] body {
    background-color: var(--bg-dark) !important;
}

/* ===== SEMUA TEKS PAKSA WARNA ===== */
h1, h2, h3, h4, h5, h6, p, span, a, li, label, .small, .text-muted,
.navbar-brand, .nav-link, .dropdown-item, .btn-outline-secondary,
.badge-feature, .converter-subtitle, .settings-title, .form-label,
.format-info h6, .format-info p, .form-check-label, .form-text,
.progress-info, .progress-text, .tip-card h6, .tip-card p,
.footer h6, .footer ul li a, .social a, .selected-pages-info,
.modal-title, .preview-image-info, .page-number,
.upload-text h4, .upload-text p, .upload-formats,
.converter-title i, .converter-title, .btn-outline-primary,
#pdfFileName, #pdfPageCount, .pdf-name, .page-select,
.form-select, .form-control, .btn-outline-secondary i,
#clearBtn i, #previewBtn i, #convertBtn i,
.notification span, .notification i {
    color: var(--text-color) !important;
}

/* Tombol dengan latar belakang khusus tetap putih */
.btn-primary, .btn-primary i, .btn-convert, .btn-convert i,
.pdf-pages, .page-select.checked::after,
.format-icon i, .tip-icon i {
    color: white !important;
}

/* Ikon tema toggle */
.theme-toggle i {
    color: var(--text-color) !important;
}

/* ===== LATAR BELAKANG GELAP UNTUK ELEMEN SEKUNDER ===== */
[data-bs-theme="dark"] .converter-settings,
[data-bs-theme="dark"] .pdf-preview-header,
[data-bs-theme="dark"] .pdf-page-preview,
[data-bs-theme="dark"] .tip-card,
[data-bs-theme="dark"] .converter-progress,
[data-bs-theme="dark"] .page-selection-controls,
[data-bs-theme="dark"] .preview-image-item {
    background-color: var(--primary-light) !important;
    border-color: var(--border-dark) !important;
}

[data-bs-theme="dark"] .quick-tips {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

/* ===== NAVBAR ===== */
.navbar {
    background-color: rgba(255,255,255,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

[data-bs-theme="dark"] .navbar {
    background-color: rgba(30,30,47,0.85) !important;
    border-bottom: 1px solid var(--border-dark) !important;
}

.navbar-brand {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand span {
    color: var(--primary) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 40px;
    transition: var(--transition);
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
    color: var(--primary) !important;
    background-color: var(--primary-light) !important;
}

/* ===== DROPDOWN ===== */
.dropdown-menu {
    background-color: var(--card-light) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 20px;
    padding: 0.5rem;
    box-shadow: var(--shadow);
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.dropdown-item {
    border-radius: 12px;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--primary-light) !important;
    color: var(--primary) !important;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-light);
    border-radius: 50px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

[data-bs-theme="dark"] .theme-toggle {
    border-color: var(--border-dark);
}

.theme-toggle:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
}

.theme-toggle .light-icon,
.theme-toggle .dark-icon {
    font-size: 1.2rem;
}

[data-bs-theme="light"] .theme-toggle .dark-icon,
[data-bs-theme="dark"] .theme-toggle .light-icon {
    display: none;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    font-weight: 500;
    border-radius: 50px;
    padding: 0.5rem 1.8rem;
    transition: var(--transition);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    box-shadow: 0 8px 18px rgba(58,95,139,0.25);
    transform: translateY(-2px);
}

.btn-outline-secondary {
    border-radius: 50px;
    padding: 0.5rem 1.8rem;
    font-weight: 500;
    border-color: var(--border-light) !important;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    border-color: var(--border-dark) !important;
}

.btn-outline-secondary:hover {
    background-color: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary-dark) !important;
}

.btn-outline-secondary:hover i {
    color: var(--primary-dark) !important;
}

.btn-outline-primary {
    border-radius: 50px;
    padding: 0.5rem 1.8rem;
    font-weight: 500;
    border-color: var(--primary) !important;
}

.btn-outline-primary:hover {
    background-color: var(--primary) !important;
    color: white !important;
}

.btn-outline-primary:hover i {
    color: white !important;
}

/* ===== BADGE FEATURE ===== */
.badge-feature {
    background-color: var(--card-light) !important;
    padding: 0.5rem 1rem;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light) !important;
    display: inline-flex;
    align-items: center;
}

[data-bs-theme="dark"] .badge-feature {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

/* ===== CONVERTER MAIN ===== */
.converter-main {
    padding: 3rem 0 4rem;
    min-height: calc(100vh - 80px - 300px);
}

.converter-title {
    margin-bottom: 0.5rem;
}

.converter-title i {
    color: var(--primary) !important;
}

/* ===== CONVERTER CARD ===== */
.converter-card {
    background-color: var(--card-light) !important;
    border-radius: 32px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light) !important;
    transition: var(--transition);
}

[data-bs-theme="dark"] .converter-card {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

/* ===== UPLOAD AREA ===== */
.upload-area {
    border: 3px dashed var(--border-light);
    border-radius: 32px;
    padding: 4rem 2rem;
    text-align: center;
    transition: var(--transition);
    background-color: var(--primary-light) !important;
    cursor: pointer;
    position: relative;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary) !important;
    background-color: rgba(58,95,139,0.05) !important;
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary) !important;
    margin-bottom: 1.5rem;
}

.upload-label {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* ===== PDF PREVIEW ===== */
.pdf-preview {
    background-color: var(--card-light) !important;
    border-radius: 24px;
    border: 1px solid var(--border-light) !important;
    overflow: hidden;
}

[data-bs-theme="dark"] .pdf-preview {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.pdf-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--primary-light) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.pdf-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pdf-name {
    font-weight: 500;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-pages {
    background-color: var(--primary) !important;
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

.pdf-preview-body {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
}

.pdf-page-preview {
    background-color: var(--primary-light) !important;
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid var(--border-light) !important;
    transition: var(--transition);
    cursor: pointer;
}

.pdf-page-preview:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.pdf-page-preview.selected {
    border-color: var(--primary) !important;
    background-color: rgba(58,95,139,0.08) !important;
}

.page-preview-canvas {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    background-color: white !important;
    box-shadow: var(--shadow-sm);
}

.page-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-select {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 2px solid var(--border-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.page-select.checked {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.page-select.checked::after {
    content: '✓';
    font-size: 0.9rem;
}

/* ===== SETTINGS ===== */
.converter-settings {
    background-color: var(--primary-light) !important;
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid var(--border-light) !important;
}

.settings-title {
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.setting-group .form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.setting-group .form-label i {
    color: var(--primary) !important;
}

/* Format Selector */
.format-selector {
    background-color: var(--card-light) !important;
    border-radius: 16px;
    border: 1px solid var(--border-light) !important;
    padding: 1rem;
}

[data-bs-theme="dark"] .format-selector {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.format-option {
    display: flex;
    align-items: center;
    padding: 0.8rem;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.format-option:hover {
    background-color: rgba(58,95,139,0.05) !important;
}

input[name="outputFormat"]:checked + .format-option {
    border-color: var(--primary) !important;
    background-color: rgba(58,95,139,0.08) !important;
}

.format-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary) !important;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.format-icon i {
    color: white !important;
    font-size: 1.8rem;
}

.format-info h6 {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.format-info p {
    opacity: 0.7;
    font-size: 0.8rem;
}

/* Form controls */
.form-select,
.form-control {
    background-color: var(--card-light) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 16px !important;
    padding: 0.6rem 1rem !important;
    transition: var(--transition);
}

.form-select:focus,
.form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(58,95,139,0.2) !important;
    outline: none;
}

[data-bs-theme="dark"] .form-select,
[data-bs-theme="dark"] .form-control {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

/* Placeholder */
.form-control::placeholder {
    color: var(--text-color) !important;
    opacity: 0.5;
}

/* Select options */
select.form-select option {
    background-color: var(--card-light) !important;
    color: var(--text-color) !important;
}

[data-bs-theme="dark"] select.form-select option {
    background-color: var(--card-dark) !important;
    color: var(--text-dark) !important;
}

/* Checkbox */
.form-check-input {
    background-color: var(--card-light) !important;
    border-color: var(--border-light) !important;
}

.form-check-input:checked {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.form-text {
    opacity: 0.6;
    font-size: 0.85rem;
}

/* ===== CONVERTER CONTROLS ===== */
.btn-convert {
    background-color: var(--primary) !important;
    border: none !important;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-convert:hover {
    background-color: var(--primary-dark) !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(58,95,139,0.3);
}

.btn-convert:disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ===== PROGRESS ===== */
.converter-progress {
    background-color: var(--primary-light) !important;
    border-radius: 24px;
    padding: 1.5rem;
    border: 1px solid var(--border-light) !important;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.progress {
    height: 10px;
    border-radius: 5px;
    background-color: var(--border-light) !important;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary) !important;
    transition: width 0.4s ease;
}

/* ===== QUICK TIPS ===== */
.quick-tips {
    background-color: var(--card-light) !important;
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid var(--border-light) !important;
}

.tip-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: 20px;
    background-color: var(--primary-light) !important;
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-light) !important;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary) !important;
}

.tip-icon {
    width: 56px;
    height: 56px;
    background-color: var(--primary) !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.tip-icon i {
    color: white !important;
    font-size: 1.8rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--card-light) !important;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-light) !important;
}

[data-bs-theme="dark"] .footer {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.footer h6 {
    font-weight: 600;
    margin-bottom: 1.2rem;
}

.footer ul {
    list-style: none;
    padding: 0;
}

.footer ul li {
    margin-bottom: 0.6rem;
}

.footer ul li a {
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s, color 0.2s;
    font-size: 0.9rem;
}

.footer ul li a:hover {
    opacity: 1;
    color: var(--primary) !important;
}

.social a {
    display: inline-block;
    margin-right: 1rem;
    font-size: 1.2rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.social a:hover {
    opacity: 1;
    color: var(--primary) !important;
}

hr {
    background-color: var(--border-light) !important;
    opacity: 0.5;
    margin: 2rem 0;
}

[data-bs-theme="dark"] hr {
    background-color: var(--border-dark) !important;
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    top: 90px;
    right: 20px;
    background-color: var(--card-light) !important;
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 9999;
    transform: translateX(150%);
    transition: transform 0.3s ease;
    max-width: 350px;
    border: 1px solid var(--border-light) !important;
}

[data-bs-theme="dark"] .notification {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.notification.show {
    transform: translateX(0);
}

.notification i {
    font-size: 1.2rem;
}

.notification-success {
    border-left-color: #10b981 !important;
}
.notification-success i {
    color: #10b981 !important;
}

.notification-error {
    border-left-color: #ef4444 !important;
}
.notification-error i {
    color: #ef4444 !important;
}

.notification-warning {
    border-left-color: #f59e0b !important;
}
.notification-warning i {
    color: #f59e0b !important;
}

.notification-info {
    border-left-color: var(--primary) !important;
}
.notification-info i {
    color: var(--primary) !important;
}

/* ===== PAGE SELECTION CONTROLS ===== */
.page-selection-controls {
    background-color: var(--card-light) !important;
    border-radius: 20px;
    padding: 1.2rem;
    border: 1px solid var(--border-light) !important;
    margin-top: 1.5rem;
}

[data-bs-theme="dark"] .page-selection-controls {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.selection-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.selection-actions .btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    border-radius: 40px;
}

.selected-pages-info {
    font-size: 0.9rem;
    opacity: 0.8;
}

.selected-pages-info span {
    color: var(--primary) !important;
    font-weight: 600;
}

/* ===== PREVIEW MODAL ===== */
.modal-content {
    background-color: var(--card-light) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 24px;
}

[data-bs-theme="dark"] .modal-content {
    background-color: var(--card-dark) !important;
    border-color: var(--border-dark) !important;
}

.modal-header {
    border-bottom: 1px solid var(--border-light) !important;
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-light) !important;
    padding: 1.5rem;
}

.preview-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
    padding: 1rem;
}

.preview-image-item {
    background-color: var(--primary-light) !important;
    border-radius: 16px;
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--border-light) !important;
    transition: var(--transition);
}

.preview-image-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.preview-image {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background-color: white !important;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    box-shadow: var(--shadow-sm);
}

.preview-image-info {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== DARK MODE ADJUSTMENTS FOR MODAL ===== */
[data-bs-theme="dark"] .modal-header,
[data-bs-theme="dark"] .modal-footer {
    border-color: var(--border-dark) !important;
}

[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ===== PAGE RANGE CONTAINER ===== */
#pageRangeContainer {
    transition: all 0.3s ease;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .converter-main {
        padding-top: 2rem;
    }
    .converter-card {
        padding: 1.5rem;
    }
    .pdf-preview-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    .pdf-info {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .converter-title {
        font-size: 2rem;
    }
    .upload-area {
        padding: 3rem 1.5rem;
    }
    .pdf-preview-body {
        grid-template-columns: 1fr;
    }
    .converter-settings {
        padding: 1.5rem;
    }
    .format-option {
        flex-direction: column;
        text-align: center;
        padding: 0.8rem 0.5rem;
    }
    .format-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    .converter-title {
        font-size: 1.8rem;
    }
    .converter-controls .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    .converter-controls .btn:last-child {
        margin-bottom: 0;
    }
    .btn-outline-secondary,
    .btn-outline-primary,
    .btn-primary {
        width: 100%;
    }
}

/* Active state untuk dropdown item */
.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--primary-light) !important;
    color: var(--primary) !important;
}

[data-bs-theme="dark"] .dropdown-item.active,
[data-bs-theme="dark"] .dropdown-item:active {
    background-color: rgba(58,95,139,0.2) !important;
    color: #fff !important;
}