/* ============================================
   NEXUS - Futuristic Social Media Platform
   Design System: Cyberpunk + Neural Networks
   ============================================ */

/* CSS Variables */
:root {
    /* Core Colors */
    --bg-primary: #0A0A0F;
    --bg-secondary: #12121A;
    --bg-tertiary: #1A1A25;
    --bg-card: rgba(26, 26, 37, 0.6);
    
    /* Accent Colors */
    --accent-cyan: #00F0FF;
    --accent-magenta: #FF00A0;
    --accent-purple: #7B2D8E;
    --accent-blue: #0066FF;
    --accent-green: #00FF88;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
    --gradient-glow: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(255, 0, 160, 0.3));
    --gradient-dark: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Ambient Background */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-magenta);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.95); }
    75% { transform: translate(-50px, -20px) scale(1.05); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

/* Navigation */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-pulse {
    width: 40px;
    height: 40px;
    position: relative;
}

.logo-pulse::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.5;
    filter: blur(10px);
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.logo-icon {
    width: 100%;
    height: 100%;
    animation: logoRotate 10s linear infinite;
}

@keyframes logoRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

/* Search */
.nav-search {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--space-xl);
}

.search-container {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    height: 44px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 0 var(--space-lg) 0 48px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-glow {
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    filter: blur(10px);
    transition: opacity var(--transition-normal);
}

.search-input:focus ~ .search-glow {
    opacity: 0.5;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-btn {
    position: relative;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-btn svg {
    width: 22px;
    height: 22px;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.nav-btn:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.nav-btn:hover svg {
    color: var(--accent-cyan);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 20px;
    height: 20px;
    background: var(--accent-magenta);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}

.notification-badge.pulse {
    animation: badgePulse 2s ease-in-out infinite;
}

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

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-avatar:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.avatar-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}

.avatar-status.online {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}

/* App Container */
.app-container {
    display: grid;
    grid-template-columns: 300px 1fr 350px;
    gap: var(--space-xl);
    padding: calc(70px + var(--space-xl)) var(--space-xl) var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
    min-height: 100vh;
}

/* Sidebars */
.sidebar-left,
.sidebar-right {
    position: sticky;
    top: calc(70px + var(--space-xl));
    height: calc(100vh - 70px - var(--space-xl) * 2);
    overflow-y: auto;
    padding-right: var(--space-sm);
}

.sidebar-left::-webkit-scrollbar,
.sidebar-right::-webkit-scrollbar {
    width: 4px;
}

.sidebar-left::-webkit-scrollbar-thumb,
.sidebar-right::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

/* Sidebar Sections */
.sidebar-section {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
    padding-left: var(--space-sm);
}

/* Menu Items */
.menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: var(--space-xs);
    position: relative;
    overflow: hidden;
}

.menu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.menu-item:hover,
.menu-item.active {
    background: var(--bg-card);
}

.menu-item.active::before {
    transform: scaleY(1);
}

.menu-icon {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.menu-item:hover .menu-icon,
.menu-item.active .menu-icon {
    color: var(--accent-cyan);
}

.menu-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.menu-item:hover span,
.menu-item.active span {
    color: var(--text-primary);
}

.menu-badge {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.live-indicator {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent-magenta);
    background: rgba(255, 0, 160, 0.2);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Trending */
.trending-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: var(--space-xs);
}

.trending-item:hover {
    background: var(--bg-card);
}

.trend-rank {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    min-width: 30px;
}

.trend-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.trend-tag {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.trend-posts {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Connected Nodes */
.connected-nodes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm);
}

.node-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.node-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.node-avatar:hover {
    transform: scale(1.1);
    border-color: var(--accent-cyan);
}

.node-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}

.node-status.online {
    background: var(--accent-green);
}

.node-status.away {
    background: #FFB800;
}

.node-status.offline {
    background: var(--text-muted);
}

.node-avatar.add-more {
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--text-muted);
}

.node-avatar.add-more svg {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

.node-avatar.add-more:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* Main Feed */
.main-feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Stories */
.stories-container {
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    margin: 0 calc(-1 * var(--space-md));
    padding: 0 var(--space-md);
}

.stories-container::-webkit-scrollbar {
    display: none;
}

.story-track {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

.story-card {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    transition: transform var(--transition-normal);
}

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

.story-avatar {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    border: 3px solid var(--bg-tertiary);
}

.story-card.create-story .story-avatar {
    border-color: var(--accent-cyan);
}

.story-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.add-story {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 24px;
    height: 24px;
    background: var(--accent-cyan);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--bg-primary);
}

.add-story svg {
    width: 14px;
    height: 14px;
    color: var(--bg-primary);
}

.story-ring {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    padding: 3px;
    background: var(--gradient-primary);
}

.story-ring img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--bg-primary);
}

.story-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 72px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Create Post */
.create-post {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: blur(10px);
}

.post-input-area {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.user-avatar-small {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-input-wrapper {
    flex: 1;
    position: relative;
}

.post-input {
    width: 100%;
    min-height: 60px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    resize: none;
    transition: all var(--transition-normal);
}

.post-input::placeholder {
    color: var(--text-tertiary);
}

.post-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.input-glow {
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    filter: blur(15px);
    transition: opacity var(--transition-normal);
}

.post-input:focus ~ .input-glow {
    opacity: 0.3;
}

.post-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.post-options {
    display: flex;
    gap: var(--space-sm);
}

.post-option {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.post-option svg {
    width: 18px;
    height: 18px;
}

.post-option:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.post-submit {
    padding: var(--space-sm) var(--space-xl);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.post-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.post-submit:hover::before {
    left: 100%;
}

.post-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
}

/* Feed Posts */
.feed-posts {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.post-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.post-card:hover {
    border-color: rgba(0, 240, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.post-author {
    display: flex;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.verified-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--accent-cyan);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-card);
}

.verified-badge svg {
    width: 10px;
    height: 10px;
    color: var(--bg-primary);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name-row {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-handle {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.post-time {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.author-bio {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.post-menu {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: all var(--transition-normal);
}

.post-menu svg {
    width: 20px;
    height: 20px;
}

.post-menu:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Post Content */
.post-content {
    margin-bottom: var(--space-md);
}

.post-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.hashtag {
    color: var(--accent-cyan);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.hashtag:hover {
    color: var(--accent-magenta);
    text-decoration: underline;
}

.post-media {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.media-image {
    width: 100%;
    height: auto;
    display: block;
}

.media-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-normal);
}

.post-media:hover .media-overlay {
    opacity: 1;
}

.media-action {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.media-action svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    margin-left: 4px;
}

.media-action:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: scale(1.1);
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Post Stats */
.post-stats {
    display: flex;
    gap: var(--space-xl);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: var(--space-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* Post Actions Bar */
.post-actions-bar {
    display: flex;
    justify-content: space-between;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.action-btn svg {
    width: 20px;
    height: 20px;
    transition: all var(--transition-normal);
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.action-btn[data-action="pulse"]:hover {
    color: var(--accent-magenta);
}

.action-btn[data-action="pulse"]:hover svg {
    fill: var(--accent-magenta);
    stroke: var(--accent-magenta);
}

.action-btn[data-action="synapse"]:hover {
    color: var(--accent-cyan);
}

.action-btn[data-action="share"]:hover {
    color: var(--accent-green);
}

.action-btn[data-action="save"]:hover {
    color: #FFB800;
}

/* Feed Loader */
.feed-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    color: var(--text-tertiary);
}

.loader-pulse {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 240, 255, 0.2);
    border-top-color: var(--accent-cyan);
    border-radius: var(--radius-full);
    animation: loaderSpin 1s linear infinite;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

/* Right Sidebar Widgets */
.widget {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.widget-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

/* Suggestions */
.suggestion-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.suggestion-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.suggestion-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.suggestion-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.suggestion-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.suggestion-handle {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.suggestion-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.suggestion-btn {
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--accent-cyan);
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.suggestion-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.widget-more {
    width: 100%;
    margin-top: var(--space-md);
    padding: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--accent-cyan);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.widget-more:hover {
    color: var(--accent-magenta);
}

/* Events */
.event-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.event-item {
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.event-item:hover {
    transform: translateX(5px);
}

.event-thumbnail {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.event-thumbnail img {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.live-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 2px 8px;
    background: var(--accent-magenta);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    animation: livePulse 2s ease-in-out infinite;
}

.event-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.event-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.event-viewers {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.stat-trend {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--space-xs);
}

.stat-trend.up {
    color: var(--accent-green);
}

.stat-trend.down {
    color: var(--accent-magenta);
}

/* Footer */
.app-footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-link {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-link:hover {
    color: var(--accent-cyan);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.4);
    transition: all var(--transition-normal);
    z-index: 100;
}

.fab svg {
    width: 28px;
    height: 28px;
    color: var(--bg-primary);
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 15px 50px rgba(0, 240, 255, 0.6);
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 2000;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
    animation: toastSlide 0.3s ease;
    pointer-events: auto;
}

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

/* Holographic Effect */
.holographic {
    position: relative;
    overflow: hidden;
}

.holographic::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 240, 255, 0.03) 50%,
        transparent 70%
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s;
    pointer-events: none;
}

.holographic:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* Responsive Design */
@media (max-width: 1400px) {
    .app-container {
        grid-template-columns: 260px 1fr 320px;
    }
}

@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 240px 1fr;
    }
    
    .sidebar-right {
        display: none;
    }
}

@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        padding-top: calc(70px + var(--space-md));
    }
    
    .sidebar-left {
        display: none;
    }
    
    .nav-search {
        display: none;
    }
    
    .nav-actions {
        gap: var(--space-sm);
    }
}

@media (max-width: 600px) {
    .nav-glass {
        padding: 0 var(--space-md);
    }
    
    .brand-text {
        font-size: 1.2rem;
    }
    
    .post-options {
        display: none;
    }
    
    .post-actions {
        justify-content: flex-end;
    }
    
    .post-stats {
        gap: var(--space-md);
    }
    
    .action-btn span {
        display: none;
    }
    
    .fab {
        width: 50px;
        height: 50px;
        bottom: var(--space-md);
        right: var(--space-md);
    }
    
    .fab svg {
        width: 24px;
        height: 24px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Selection */
::selection {
    background: rgba(0, 240, 255, 0.3);
    color: var(--text-primary);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}