/* Reset and Variables */
:root {
    --font-primary: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Dark Theme (Default) */
    --bg-main: #0b0f19;
    --bg-gradient: linear-gradient(135deg, #0b0f19 0%, #111827 100%);
    --bg-card: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(66, 165, 245, 0.4);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-primary: #1976D2; /* Primary Blue */
    --accent-secondary: #42A5F5; /* Secondary Blue */
    --accent-success: #10b981; /* Emerald */
    --accent-gradient: linear-gradient(135deg, #1976D2 0%, #42A5F5 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(66, 165, 245, 0.15);
    
    --backdrop-blur: blur(12px);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --bg-card: rgba(255, 255, 255, 0.8);
    --border-color: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(66, 165, 245, 0.5);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #1976D2;
    --accent-secondary: #42A5F5;
    --accent-success: #059669;
    --accent-gradient: linear-gradient(135deg, #1976D2 0%, #42A5F5 100%);
    
    --shadow-glow: 0 0 20px rgba(25, 118, 210, 0.1);
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-main);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background decorative elements */
.bg-blobs {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    animation: floatBlob 20s infinite alternate ease-in-out;
}

[data-theme="light"] .blob {
    opacity: 0.06;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: -5s;
}

@keyframes floatBlob {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
}

/* Header Section */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s ease;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    box-shadow: var(--shadow-glow), var(--shadow-md);
    transition: transform var(--transition-fast);
    object-fit: cover;
}

.app-icon:hover {
    transform: scale(1.05);
}

.brand-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.brand-title p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: var(--backdrop-blur);
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hero Badge Banner */
.hero-banner {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-md);
    margin-bottom: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero-text {
    flex: 1;
    min-width: 280px;
}

.hero-text h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.hero-text p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.badges-container {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-offline {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-success);
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
}

.badge-secure {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-primary);
    border-color: rgba(6, 182, 212, 0.2);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.1);
}

/* Search and Quick Controls Bar */
.search-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease;
    animation-delay: 0.1s;
    animation-fill-mode: both;
}

.search-wrapper {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    backdrop-filter: var(--backdrop-blur);
    transition: all var(--transition-fast);
}

.search-input:focus {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-action {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.btn-action:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-action svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.btn-action:hover svg {
    transform: translateY(1px);
}

/* Two Column Layout */
.main-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
    animation: fadeInUp 0.6s ease;
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

/* Navigation / Table of Contents */
.toc-wrapper {
    position: sticky;
    top: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    backdrop-filter: var(--backdrop-blur);
}

.toc-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.toc-list {
    list-style: none;
}

.toc-item {
    margin-bottom: 0.5rem;
}

.toc-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.toc-link:hover {
    color: var(--accent-primary);
    background: rgba(6, 182, 212, 0.05);
    padding-left: 0.75rem;
}

.toc-link.active {
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
    background: rgba(6, 182, 212, 0.08);
    font-weight: 600;
}

/* Policy Content Cards */
.policy-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.policy-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.policy-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.policy-card h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.policy-card h2 svg {
    color: var(--accent-primary);
    width: 24px;
    height: 24px;
}

.policy-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.975rem;
    line-height: 1.7;
}

.policy-card p:last-child {
    margin-bottom: 0;
}

.policy-card ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.policy-card li {
    margin-bottom: 0.5rem;
}

/* Interactive Accordions for Details */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    overflow: hidden;
}

.accordion-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.accordion-icon {
    transition: transform var(--transition-fast);
}

.accordion.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 1rem;
    display: none;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
    font-size: 0.925rem;
}

.accordion.open .accordion-content {
    display: block;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--accent-success);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateY(150%);
    transition: transform var(--transition-normal);
    z-index: 1000;
    backdrop-filter: var(--backdrop-blur);
}

.toast.show {
    transform: translateY(0);
}

/* Footer styling */
footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: fadeInUp 0.6s ease;
    animation-delay: 0.3s;
    animation-fill-mode: both;
}

/* Animations */
@keyframes fadeInDown {
    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);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .toc-wrapper {
        display: none; /* Hide Sidebar on mobile to save space */
    }
    
    .hero-banner {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .action-buttons {
        width: 100%;
        justify-content: space-between;
    }
    
    .btn-action {
        flex: 1;
        justify-content: center;
    }
}