/* ============================================
   AI ARENA - Modern Professional Design
   With subtle retro accents
   ============================================ */

:root {
    /* Dark theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #16161f;
    --bg-hover: #1e1e2a;
    
    /* Accent colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 50%, rgba(236, 72, 153, 0.15) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    
    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-accent: #a5b4fc;
    
    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(99, 102, 241, 0.5);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
    
    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-display: 'Orbitron', sans-serif;
    
    /* Sizing */
    --header-height: 64px;
    --nav-height: 56px;
    --sidebar-width: 320px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

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

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-2%, -2%); }
}

/* ============================================
   APP CONTAINER
   ============================================ */

.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER
   ============================================ */

.app-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-center {
    display: flex;
    align-items: center;
}

.stats-bar {
    display: flex;
    gap: 2rem;
    padding: 0.5rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-value.cost-free {
    color: var(--accent-success);
}

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

.powered-by {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    transition: all 0.2s ease;
}

.powered-by:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.powered-by strong {
    color: var(--accent-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */

.main-nav {
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.nav-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    font-size: 1.1rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tab-content {
    display: none;
    flex: 1;
    overflow: auto;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease;
}

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

/* ============================================
   PLAYGROUND TAB
   ============================================ */

.playground-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Model Sidebar */
.model-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-header h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.model-search {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.6rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: all 0.2s ease;
}

.search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.model-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.model-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    margin-bottom: 0.25rem;
}

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

.model-item.active {
    background: var(--gradient-glow);
    border: 1px solid var(--border-accent);
}

.model-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
}

.model-item-info {
    flex: 1;
    min-width: 0;
}

.model-item-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-item-provider {
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

.model-item-badge {
    padding: 0.2rem 0.5rem;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
}

.selected-model-info {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-subtle);
}

.model-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.model-info-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.model-info-badge {
    padding: 0.2rem 0.5rem;
    font-size: 0.6rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.model-info-badge.free {
    background: var(--accent-success);
    color: white;
}

.model-info-stats {
    display: flex;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.current-model {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.current-model-icon {
    font-size: 1.25rem;
}

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

.clear-chat-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-chat-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.welcome-message {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.welcome-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.welcome-message h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-message p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.quick-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.quick-prompt {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-prompt:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

/* Chat Messages */
.chat-message {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.chat-message.user {
    flex-direction: row-reverse;
    margin-left: auto;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: var(--gradient-primary);
}

.chat-message.ai .message-avatar {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
}

.message-content {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    max-width: 70%;
}

.chat-message.user .message-content {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message.ai .message-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-bottom-left-radius: var(--radius-sm);
}

.message-text {
    font-size: 0.95rem;
    line-height: 1.7;
    white-space: pre-wrap;
}

.message-meta {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

.chat-message.user .message-meta {
    color: rgba(255, 255, 255, 0.7);
}

/* Chat Input */
.chat-input-area {
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-input-area textarea {
    flex: 1;
    padding: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    resize: none;
    outline: none;
    max-height: 150px;
}

.chat-input-area textarea::placeholder {
    color: var(--text-tertiary);
}

.send-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.send-btn svg {
    width: 18px;
    height: 18px;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

/* ============================================
   BATTLE ARENA TAB
   ============================================ */

.arena-header {
    text-align: center;
    padding: 2rem;
}

.arena-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.arena-header p {
    color: var(--text-secondary);
}

.arena-setup {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 2rem;
}

.arena-model-select {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.arena-model-select label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
}

.arena-select {
    width: 280px;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.arena-select:focus {
    border-color: var(--accent-primary);
}

.arena-vs {
    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;
}

.arena-prompt {
    display: flex;
    gap: 1rem;
    padding: 1rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.arena-prompt textarea {
    flex: 1;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    resize: none;
    outline: none;
}

.arena-prompt textarea:focus {
    border-color: var(--accent-primary);
}

.arena-battle-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.arena-battle-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.arena-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    flex: 1;
}

.arena-result {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.arena-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-subtle);
}

.arena-result-model {
    font-weight: 600;
    color: var(--text-primary);
}

.arena-result-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.arena-result-content {
    flex: 1;
    padding: 1.25rem;
    overflow-y: auto;
    min-height: 200px;
}

.arena-placeholder {
    color: var(--text-tertiary);
    text-align: center;
    padding: 2rem;
}

.arena-vote {
    padding: 1rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.vote-btn {
    padding: 0.6rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* ============================================
   MODEL GALLERY TAB
   ============================================ */

.gallery-header {
    text-align: center;
    padding: 2rem;
}

.gallery-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.gallery-header p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.gallery-filters {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.model-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    padding: 1.5rem 2rem;
}

.gallery-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gallery-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.gallery-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.gallery-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.gallery-card-title {
    flex: 1;
}

.gallery-card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.gallery-card-provider {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.gallery-card-badge {
    padding: 0.3rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    background: var(--accent-success);
    color: white;
}

.gallery-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.gallery-card-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.gallery-card-stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ============================================
   CREATIVE LAB TAB
   ============================================ */

.creative-header {
    text-align: center;
    padding: 2rem;
}

.creative-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.creative-header p {
    color: var(--text-secondary);
}

.creative-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    padding: 0 2rem 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.creative-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.creative-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.creative-card.active {
    background: var(--gradient-glow);
    border-color: var(--accent-primary);
}

.creative-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.creative-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.creative-card p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.creative-workspace {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   GAMES TAB
   ============================================ */

.games-header {
    text-align: center;
    padding: 2rem;
}

.games-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.games-header p {
    color: var(--text-secondary);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 0 2rem 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.game-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.game-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
}

.game-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.game-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.game-card p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.game-arena {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.game-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--text-tertiary);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-text {
    font-size: 1rem;
    color: var(--text-primary);
}

.loading-dots span {
    animation: blink 1.4s infinite both;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
    0%, 80%, 100% { opacity: 0; }
    40% { opacity: 1; }
}

/* ============================================
   FOOTER
   ============================================ */

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .playground-layout {
        flex-direction: column;
    }
    
    .model-sidebar {
        width: 100%;
        max-height: 200px;
    }
    
    .model-list {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 0.5rem;
        padding: 0.5rem;
    }
    
    .model-item {
        flex-shrink: 0;
        margin-bottom: 0;
    }
    
    .selected-model-info {
        display: none;
    }
    
    .arena-results {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-center {
        display: none;
    }
    
    .nav-label {
        display: none;
    }
    
    .nav-tab {
        padding: 0.6rem 1rem;
    }
    
    .arena-setup {
        flex-direction: column;
        gap: 1rem;
    }
    
    .arena-vs {
        font-size: 1rem;
    }
    
    .arena-select {
        width: 100%;
    }
    
    .arena-prompt {
        flex-direction: column;
    }
}