/* PDF Splitter Specific Styles (One PDF Editor - Blue/Orange Theme) */

/* Main Container */
.split-main-container {
    min-height: calc(100vh - var(--nav-height));
    background: var(--bg-body);
    padding-bottom: 80px;
}

/* File Info Bar */
.split-file-info {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 12px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.split-file-details {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.95rem;
    color: var(--secondary);
}

.split-filename {
    font-weight: 600;
    color: var(--text-primary);
}

.split-page-count {
    background: #f3f4f6;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.split-reset-btn {
    background: transparent;
    color: #ef4444;
    /* Clean red */
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.split-reset-btn:hover {
    background: #fef2f2;
    border-color: #fee2e2;
}

/* Upload Container - Sejda Clean Style */
.split-upload-container {
    min-height: auto;
    padding: 40px 20px 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: #faf8f3;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Background Pattern - Sejda Style */
.split-upload-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-image: url('/static/assets/bg-pattern-editor-sejda.svg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    opacity: 0.7;
    pointer-events: none;
    z-index: 0;
}

.split-upload-card {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.split-hero-title {
    font-size: 2.2rem;
    color: #1a202c;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.split-hero-subtitle {
    font-size: 1.05rem;
    color: #2563eb;
    margin-bottom: 32px;
    line-height: 1.6;
}

.split-upload-box {
    background: white;
    padding: 60px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    border: 2px dashed #d1d5db;
    transition: all 0.2s ease;
    cursor: pointer;
    display: block;
}

.split-upload-box:hover {
    border-color: var(--primary);
    background: #f9fafb;
}

/* Update remaining generic styles to match */
/* Buttons within splitter */
.btn-split-action {
    background-color: var(--primary);
    color: white;
    border-radius: 4px;
    /* ... keep layout logic but update colors ... */
}

.split-upload-box:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
}

.split-upload-icon {
    width: 80px;
    height: 80px;
    background: #dbeafe;
    /* Light blue bg */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--primary);
    font-size: 2rem;
}

.split-upload-box h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.split-upload-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.btn-upload-split {
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-upload-split:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.upload-helper-text {
    color: #a0aec0;
    font-size: 0.9rem;
    margin-top: 16px;
    margin-bottom: 8px;
}

.upload-privacy-text {
    color: #718096;
    font-size: 0.85rem;
}

/* Features */
.split-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    width: 100%;
    margin-top: 20px;
    /* Ensure features sit ABOVE the wave */
    position: relative;
    z-index: 2;
}

.split-feature-item {
    text-align: center;
}

.split-feature-icon {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 12px;
    background: white;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.split-feature-item h4 {
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}

.split-feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Grid Container */
.split-grid-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.split-grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.split-grid-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.split-selection-controls {
    display: flex;
    gap: 12px;
}

.split-control-btn {
    background: white;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.split-control-btn:hover {
    background: var(--bg-toolbar);
    border-color: var(--primary);
}

/* Thumbnails Grid */
.split-thumbnails-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.split-page-card {
    background: white;
    padding: 12px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border: 2px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
    position: relative;
}

.split-page-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.split-page-card.selected {
    border-color: var(--primary);
    background: #f0fdf4;
    box-shadow: 0 4px 12px rgba(0, 156, 77, 0.2);
}

.split-canvas-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.4;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.split-canvas-container canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.split-page-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    background: white;
    border: 2px solid #cbd5e0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    opacity: 0.7;
    transition: all 0.2s;
}

.split-page-card:hover .split-page-checkbox {
    opacity: 1;
}

.split-page-card.selected .split-page-checkbox {
    background: var(--primary);
    border-color: var(--primary);
    opacity: 1;
}

.split-page-checkbox i {
    color: white;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.split-page-card.selected .split-page-checkbox i {
    opacity: 1;
}

.split-page-number {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Action Bar */
.split-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    border-top: 1px solid var(--border);
    padding: 16px 32px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.split-action-bar.visible {
    transform: translateY(0);
}

.split-action-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.split-selection-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-primary);
}

.split-selected-badge {
    background: var(--primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
}

.split-action-buttons {
    display: flex;
    gap: 12px;
}

.split-btn-primary,
.split-btn-secondary {
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    border: none;
}

.split-btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 156, 77, 0.25);
}

.split-btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.split-btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

.split-btn-secondary:hover:not(:disabled) {
    background: var(--bg-toolbar);
}

.split-btn-primary:disabled,
.split-btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading Overlay */
.split-loading-overlay {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.split-loading-overlay p {
    font-weight: 600;
    color: var(--secondary);
    font-size: 1.1rem;
}

/* Toast */
.split-toast {
    position: fixed;
    top: 80px;
    right: 24px;
    background: var(--secondary);
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 3000;
}

.split-toast.show {
    transform: translateX(0);
}

.split-toast i {
    font-size: 1.25rem;
    color: var(--primary);
}

.split-toast.error {
    background: #ef4444;
}

.split-toast.error i {
    color: white;
}

/* Responsive */
@media (max-width: 1024px) {
    .split-thumbnails-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 16px;
    }

    .split-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .split-action-content {
        flex-direction: column;
        gap: 16px;
    }

    .split-action-buttons {
        width: 100%;
    }

    .split-btn-primary,
    .split-btn-secondary {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .split-hero-title {
        font-size: 1.8rem;
    }

    .split-hero-subtitle {
        font-size: 1rem;
    }

    .split-upload-box {
        padding: 40px 20px;
    }

    .split-grid-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .split-selection-controls {
        width: 100%;
    }

    .split-control-btn {
        flex: 1;
    }
}