/**
 * AIForge - AI Model Aggregation Platform
 * Modern, professional styling with tech aesthetics
 */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}

.btn-primary.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-primary.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-outline.btn-lg {
    padding: 16px 32px;
}

.btn-outline.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-ghost {
    padding: 10px 20px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--secondary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 80px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Chat Window Demo */
.chat-window {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
}

.model-selector select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 32px 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.chat-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.icon-btn:hover {
    background: var(--bg-card);
}

.chat-messages {
    padding: 20px;
    max-height: 350px;
    overflow-y: auto;
}

.message {
    margin-bottom: 20px;
}

.message.user .message-content {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    display: inline-block;
    max-width: 80%;
    margin-left: auto;
    text-align: right;
}

.message.user {
    text-align: right;
}

.message.assistant {
    display: flex;
    gap: 12px;
}

.message-avatar {
    width: 36px;
    height: 36px;
    background: var(--bg-card-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message.assistant .message-content {
    background: var(--bg-card-hover);
    padding: 16px;
    border-radius: var(--radius-md);
    flex: 1;
}

.message.assistant .message-content p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.message.assistant .message-content p:last-child {
    margin-bottom: 0;
}

.message.assistant pre {
    background: var(--bg-darker);
    padding: 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 12px 0;
}

.message.assistant code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #e2e8f0;
}

.chat-input {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.chat-input input {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-input input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.send-btn:hover {
    opacity: 0.9;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.section-footer {
    text-align: center;
    margin-top: 48px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Models Section */
.models-section {
    padding: 100px 0;
    background: var(--bg-darker);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.model-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.15);
}

.model-logo {
    margin-bottom: 16px;
}

.provider-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.provider-icon.openai { background: #10a37f; color: #fff; }
.provider-icon.anthropic { background: #d4a27f; color: #000; }
.provider-icon.google { background: #4285f4; color: #fff; }
.provider-icon.meta { background: #0668e1; color: #fff; }
.provider-icon.alibaba { background: #ff6a00; color: #fff; font-size: 1.25rem; }
.provider-icon.deepseek { background: #4f46e5; color: #fff; font-size: 1rem; }
.provider-icon.mistral { background: #ff7000; color: #fff; }
.provider-icon.more { background: var(--bg-card-hover); color: var(--text-muted); font-size: 1rem; }

.model-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.provider-name {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.model-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.model-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    border-radius: 20px;
}

.model-tag.hot { background: #dc262620; color: #f87171; }
.model-tag.new { background: #10b98120; color: #34d399; }

.model-price {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.model-card.more-models {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-style: dashed;
}

.model-link {
    margin-top: 16px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Code Section */
.code-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.code-demo {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.code-tabs {
    display: flex;
    gap: 0;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
}

.code-tab {
    padding: 14px 24px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.code-tab:hover {
    color: var(--text-secondary);
}

.code-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--bg-card);
}

.code-content {
    padding: 0;
}

.code-block {
    margin: 0;
    padding: 24px;
    background: transparent;
    overflow-x: auto;
}

.code-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    color: #e2e8f0;
}

.code-block .keyword { color: #c792ea; }
.code-block .string { color: #c3e88d; }
.code-block .number { color: #f78c6c; }
.code-block .comment { color: #676e95; }

.copy-btn {
    display: block;
    width: calc(100% - 32px);
    margin: 0 16px 16px;
    padding: 12px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Downloads Section */
.downloads-section {
    padding: 100px 0;
    background: var(--bg-darker);
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s ease;
}

.download-card:hover {
    border-color: var(--secondary);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.1);
}

.download-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.download-icon {
    font-size: 2.5rem;
}

.download-title h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.download-size {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.download-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.meta-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.download-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.download-tags .tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    border-radius: 4px;
}

.download-actions {
    display: flex;
    gap: 12px;
}

/* Community Section */
.community-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.community-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s ease;
}

.community-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.community-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.author-info {
    flex: 1;
}

.author-name {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
}

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

.card-badge {
    padding: 4px 12px;
    background: var(--accent);
    color: #000;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.community-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.community-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.card-stats {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: var(--bg-darker);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.pricing-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
}

.period {
    color: var(--text-muted);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.6;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    text-align: center;
    padding: 32px 24px;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-section .btn-primary {
    background: #fff;
    color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 16px 0;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    transition: all 0.2s;
}

.social-links a:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 8px 0;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-muted);
}

.footer-bottom a:hover {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .models-grid,
    .downloads-grid,
    .community-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .community-card.featured {
        grid-column: span 1;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}