:root {
    /* Style S97 - Frosted Glass (Strong) */
    
    /* Colors */
    --bg-primary: linear-gradient(135deg, #E0C3FC 0%, #8EC5FC 100%);
    --bg-surface: rgba(255, 255, 255, 0.25);
    --bg-card: rgba(255, 255, 255, 0.25);
    --bg-card-hover: rgba(255, 255, 255, 0.4);
    
    --text-main: #111827;
    --text-secondary: #374151;
    --text-muted: #6B7280;
    
    --brand-primary: #2563EB;
    --brand-accent: #7C3AED;
    --accent-gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    
    --border-strong: rgba(255, 255, 255, 0.8);
    --border-subtle: rgba(255, 255, 255, 0.5);
    
    /* Shadows */
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 12px 40px rgba(31, 38, 135, 0.15);
    
    /* Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    
    /* Backdrop */
    --backdrop-filter: blur(16px) saturate(180%);
    
    /* Layout */
    --container-width: 1280px;
    
    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Fix for particles-js covering content */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Common Layout Components */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.layout {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    transition: background var(--transition-smooth);
    box-shadow: var(--shadow-glass);
}

header .container {
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: transform var(--transition-fast);
}

.contact-info:hover {
    color: var(--text-main);
    transform: translateY(-2px);
}

.contact-info i {
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.logo-container {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
    border: 1px solid var(--border-strong);
}

.logo-container:hover {
    transform: scale(1.05) rotate(3deg);
}

.logo-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-bottom: 0.1rem;
    text-shadow: 0 2px 10px rgba(255,255,255,0.5);
}

.header-text .subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 6rem;
    background: var(--bg-surface);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-smooth);
}

.sidebar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    background: rgba(255, 255, 255, 0.35);
}

.sidebar-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-main);
    transform: translateX(4px);
    box-shadow: var(--shadow-soft);
    border-color: var(--border-subtle);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.6);
    color: var(--text-main);
    font-weight: 600;
    box-shadow: var(--shadow-glass);
    border-color: var(--border-strong);
}

.nav-icon {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon {
    color: #6366f1;
}

.nav-text {
    flex: 1;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    animation: fadeIn 0.8s ease-out;
}

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

/* Category Sections */
.category-section {
    scroll-margin-top: 6rem;
    position: relative;
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    letter-spacing: -0.01em;
}

.category-title i {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.5);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    box-shadow: var(--shadow-soft);
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-main);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-weight: 600;
    margin-left: auto;
    background: rgba(26, 26, 46, 0.1);
    border: 1px solid rgba(255,255,255,0.4);
}

/* Cards & Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card, .card, .header-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glass);
}

.tool-card:hover, .card:hover, .header-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.8);
}

.tool-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: transform var(--transition-smooth);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-soft);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.tool-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
    line-height: 1.6;
}

/* Buttons */
.btn, .back-btn, .nav-btn, .mode-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-main);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(4px);
    text-decoration: none;
}

.btn:hover, .back-btn:hover, .nav-btn:hover, .mode-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: white;
}

.btn-primary, .mode-btn.active {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid white;
}

/* Announcement Board */
#announcement {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: var(--backdrop-filter);
    border: 1px solid var(--border-strong);
    border-left: 6px solid #8EC5FC;
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-fast);
}

#announcement:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: rgba(255, 255, 255, 0.45);
}

.announcement-header {
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    color: var(--text-main); 
    font-weight: 700; 
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.announcement-header i {
    color: #6366f1;
}

.announcement-content {
    color: var(--text-secondary); 
    font-size: 0.95rem;
    font-weight: 500;
}

/* QR Code Toggle */
#qrToggle {
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-main);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-glass);
    margin-bottom: 1.5rem; 
    width: 100%; 
    justify-content: space-between;
}

#qrToggle:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.qr-container {
    display: none; 
    margin-bottom: 1.5rem; 
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-glass);
}

.qr-container img {
    width: 100%; 
    border-radius: var(--radius-md); 
    mix-blend-mode: multiply;
}

/* Password Modal */
.password-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.password-modal-content {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px) saturate(200%);
    padding: 3rem;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.8);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.password-header {
    text-align: center;
    margin-bottom: 2rem;
}

.password-header i {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.5);
    width: 72px;
    height: 72px;
    line-height: 72px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: var(--shadow-soft);
}

.password-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.password-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.password-input-wrapper {
    margin-bottom: 1.5rem;
}

.password-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    outline: none;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-main);
}

.password-input:focus {
    border-color: #8EC5FC;
    box-shadow: 0 0 0 4px rgba(142, 197, 252, 0.3);
    background: rgba(255, 255, 255, 0.8);
}

.password-error {
    color: #F87171;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
    font-weight: 600;
}

.password-actions {
    display: flex;
    gap: 1rem;
}

.btn-cancel {
    flex: 1;
    padding: 0.875rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-main);
    border-color: var(--border-strong);
}

.btn-confirm {
    flex: 1;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-main);
    border: 1px solid white;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 700;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-soft);
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glass);
    background: white;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Sub-page Header Cards */
.header-card {
    padding: 3rem;
    margin-bottom: 2.5rem;
    text-align: center;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--border-subtle);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-soft);
}

/* Responsive */
@media (max-width: 1024px) {
    .layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

/* --- ADDED FOR OPTIMIZATION --- */

/* Generic Frosted Glass Card */
.glass-card, .stat-card, .insight-card, .software-card, .tutorial-item, .info-box, .warning-box, .highlight-card, .scenario-card, .example-box, .feature-block, .product-hero, .workflow-card, .contact-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-fast);
}

.glass-card:hover, .stat-card:hover, .insight-card:hover, .software-card:hover, .tutorial-item:hover, .highlight-card:hover, .scenario-card:hover, .example-box:hover, .feature-block:hover, .workflow-card:hover, .contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.8);
}

/* Stats Grid */
.stats-grid, .insight-grid, .architecture-grid, .advantage-grid, .product-grid, .software-grid, .scenario-grid, .highlights-grid, .tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Content Sections */
.content-section {
    animation: fadeIn 0.6s ease-out;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--brand-primary);
}

/* Tutorial Specifics */
.tutorial-item img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-subtle);
}

.step-label {
    text-align: center;
    font-weight: 600;
    color: var(--text-main);
    background: rgba(255,255,255,0.4);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

/* Info & Warning Boxes */
.info-box {
    border-left: 4px solid var(--brand-primary);
    background: rgba(255, 255, 255, 0.4);
}

.warning-box {
    border-left: 4px solid #F87171;
    background: rgba(254, 226, 226, 0.4);
    color: #991B1B;
}

/* Product Hero */
.product-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.product-gallery img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

/* --- Global Components (Added for Optimization) --- */

/* Buttons Extended */
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.5);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.btn-danger {
    background: rgba(254, 226, 226, 0.5);
    color: #ef4444;
    border: 1px solid rgba(254, 226, 226, 0.8);
}

.btn-danger:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-glass);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    font-size: 1.25rem;
    color: var(--text-main);
    font-weight: 700;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-hover);
    font-weight: 500;
    opacity: 0;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-success { border-left: 4px solid #10b981; }
.toast-error { border-left: 4px solid #ef4444; }
.toast-info { border-left: 4px solid var(--brand-primary); }

/* Form Elements */
.input-group {
    margin-bottom: 1rem;
}

.input-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-input, .form-select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.5);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
    color: var(--text-main);
}

.form-input:focus, .form-select:focus, textarea:focus {
    background: white;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(142, 197, 252, 0.2);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-custom {
    accent-color: var(--brand-primary);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    text-align: left;
}

thead {
    background: rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid var(--border-subtle);
}

th, td {
    padding: 1rem;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-subtle);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.3);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
}

.badge-primary { background: rgba(142, 197, 252, 0.3); color: #2563EB; border: 1px solid rgba(142, 197, 252, 0.5); }
.badge-success { background: rgba(16, 185, 129, 0.2); color: #059669; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #D97706; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #DC2626; border: 1px solid rgba(239, 68, 68, 0.4); }

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.6);
    color: var(--text-main);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
    box-shadow: 0 4px 12px rgba(142, 197, 252, 0.4);
}