:root {
    /* Color Palette - Premium Dark Mode */
    --bg-base: #0f111a;
    --bg-surface: rgba(30, 33, 43, 0.6);
    --bg-surface-hover: rgba(45, 49, 66, 0.8);
    
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    
    --primary-accent: #6366f1; /* Indigo */
    --primary-accent-hover: #4f46e5;
    --secondary-accent: #10b981; /* Emerald */
    
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    
    --radius-lg: 16px;
    --radius-md: 8px;
    --radius-sm: 4px;
    
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* Top Navigation Bar */
.top-bar {
    height: 72px;
    width: 100%;
    background: rgba(15, 17, 26, 0.85);
    border-bottom: var(--glass-border);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-accent), #8b5cf6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.logo-container h2 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-left: 24px;
}

.nav-title {
    display: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary-accent);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.right-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 36px;
    height: 36px;
    background: #2d3142;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 40px;
    overflow-y: auto;
    position: relative;
}

.view-section {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
}

.view-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 4px;
}

.view-header p {
    color: var(--text-secondary);
    font-size: 15px;
}

.header-stats {
    display: flex;
    gap: 16px;
}

.stat-pill {
    background: var(--bg-surface);
    border: var(--glass-border);
    padding: 8px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    font-size: 14px;
}

.stat-value.highlight {
    color: var(--secondary-accent);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-accent);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-accent-hover);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Worker View (Extraction) */
.extraction-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    height: calc(100vh - 150px);
}

.panel-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    font-size: 16px;
    font-weight: 500;
}

.badge.ai-assisted {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary-accent);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.document-panel, .form-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.document-container {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: rgba(0,0,0,0.2);
}

.placeholder-doc {
    background: #ffffff;
    color: #000;
    padding: 40px;
    border-radius: 4px;
    min-height: 500px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.doc-text-mock {
    font-family: 'Times New Roman', serif;
    font-size: 18px;
    line-height: 1.6;
}

.mock-q { font-weight: bold; margin-bottom: 16px; }
.mock-opt { margin-bottom: 8px; padding-left: 20px; }

form {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

textarea.form-control {
    resize: vertical;
    line-height: 1.5;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-actions {
    margin-top: auto;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* Admin Dashboard */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.metric-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon.blue { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.metric-icon.green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.metric-icon.purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.metric-icon.orange { background: rgba(249, 115, 22, 0.15); color: #fb923c; }

.metric-data h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.metric-data p {
    font-size: 13px;
    color: var(--text-secondary);
}

.highlight-card {
    border: 1px solid rgba(249, 115, 22, 0.3);
    background: linear-gradient(135deg, rgba(30, 33, 43, 0.8), rgba(249, 115, 22, 0.05));
}

.table-container {
    padding: 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    background: rgba(0,0,0,0.1);
}

.data-table td {
    font-size: 14px;
}

.data-table tbody tr {
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.excellent { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-badge.good { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.status-badge.warning { background: rgba(249, 115, 22, 0.15); color: #fb923c; }

.action-link {
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 500;
}

.action-link:hover {
    text-decoration: underline;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
    
    .top-bar {
        padding: 12px 16px;
        height: auto;
        min-height: 70px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .logo-container {
        margin-bottom: 0;
    }

    .logo-container h2 {
        display: none;
    }

    .nav-menu {
        margin-left: 0;
        width: 100%;
        order: 3;
        justify-content: center;
    }

    .right-menu {
        order: 2;
        gap: 12px;
    }

    #lang-toggle, #btn-logout {
        width: auto !important;
        padding: 6px 12px;
        font-size: 12px;
    }

    .user-profile {
        display: none;
    }

    .main-content {
        padding: 16px;
        overflow-y: visible;
    }

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

    .header-stats {
        width: 100%;
        justify-content: space-between;
    }

    .extraction-workspace {
        grid-template-columns: 1fr;
        height: auto;
    }

    .document-container {
        min-height: 400px;
    }

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .table-container {
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}