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

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-border: #2a2d3a;
    --color-text: #e4e4e7;
    --color-text-muted: #9ca3af;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-green: #22c55e;
    --color-red: #ef4444;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }

main.container { flex: 1; padding-top: 2rem; padding-bottom: 2rem; }

/* Navigation */
.nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: var(--color-text-muted); font-size: 0.9rem; }
.nav-links a:hover { color: var(--color-text); text-decoration: none; }
.nav-user { color: var(--color-text-muted); font-size: 0.9rem; }
.nav-logout { color: var(--color-danger) !important; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); text-decoration: none; }
.btn-google {
    background: #fff;
    color: #333;
    border: 1px solid #ddd;
    font-size: 1rem;
    padding: 0.75rem 2rem;
}
.btn-google:hover { background: #f5f5f5; text-decoration: none; }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-size: 0.85rem; color: var(--color-text-muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9rem;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}
.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; min-width: 0; }
.form-error { color: var(--color-danger); font-size: 0.8rem; margin-top: 0.2rem; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 60vh; }
.login-card {
    background: var(--color-surface);
    padding: 3rem;
    border-radius: var(--radius);
    text-align: center;
    max-width: 400px;
    width: 100%;
}
.login-card h1 { font-size: 2rem; margin-bottom: 0.75rem; }
.login-card p { color: var(--color-text-muted); margin-bottom: 2rem; line-height: 1.5; }

/* Sections */
.section { margin-bottom: 2rem; }
.section h2 { margin-bottom: 1rem; font-size: 1.25rem; }

/* Game cards */
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.game-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.game-card h3 { margin-bottom: 0.5rem; }
.game-card h3 a { color: var(--color-text); }
.game-card p { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 0.25rem; }
.game-dates { font-size: 0.8rem; }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-pending { background: var(--color-warning); color: #000; }
.badge-active { background: var(--color-success); color: #000; }
.badge-finished { background: var(--color-text-muted); color: #000; }
.badge-cancelled { background: var(--color-danger); color: #fff; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--color-border); }
th { color: var(--color-text-muted); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; }
td { font-size: 0.9rem; }

/* Flash messages */
.flash {
    padding: 0.75rem 1.5rem;
    margin: 1rem auto;
    max-width: 1200px;
    border-radius: var(--radius);
    font-size: 0.9rem;
}
.flash-success { background: #052e16; color: var(--color-success); border: 1px solid #166534; }
.flash-error { background: #450a0a; color: var(--color-danger); border: 1px solid #991b1b; }
.flash-info { background: #172554; color: var(--color-primary); border: 1px solid #1e40af; }

/* Toasts */
#toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 1000; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}
.toast-show { opacity: 1; transform: translateX(0); }
.toast-success { background: #052e16; color: var(--color-success); border: 1px solid #166534; }
.toast-error { background: #450a0a; color: var(--color-danger); border: 1px solid #991b1b; }

/* Footer */
.footer { padding: 1.5rem 0; border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 0.8rem; text-align: center; }

/* Positive/negative values */
.text-green { color: var(--color-green); }
.text-red { color: var(--color-red); }
.text-muted { color: var(--color-text-muted); }

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap; }
.page-header h1 { margin: 0; }
.page-header-actions { display: flex; gap: 0.5rem; align-items: center; }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: 1fr 400px; gap: 2rem; }
.detail-sidebar { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.detail-sidebar h2 { margin-bottom: 1rem; font-size: 1.1rem; }

/* Info grid */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; margin-bottom: 1.5rem; }
.info-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.75rem 1rem; }
.info-label { display: block; font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; margin-bottom: 0.25rem; }
.info-value { font-size: 1rem; font-weight: 600; }

/* Price stats bar */
.price-stats { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 1rem; flex-wrap: wrap; padding: 0.75rem 0; }
.price-current { font-size: 2rem; font-weight: 700; letter-spacing: -0.5px; }
.price-change { font-size: 1.1rem; font-weight: 600; }
.price-range { font-size: 0.85rem; }
.price-range span:first-child { margin-right: 0.5rem; }

/* Chart container */
.chart-container { width: 100%; height: 400px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); margin-bottom: 1.5rem; }

/* Stat cards */
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem 1.25rem; text-align: center; }
.stat-label { display: block; font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; margin-bottom: 0.25rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; }

/* Portfolio summary */
.portfolio-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }

/* Section header */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.section-header h2 { margin: 0; }

/* Form card */
.form-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; max-width: 700px; }

/* Trade layout */
.trade-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.trade-info { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.trade-info h3 { margin-bottom: 1rem; }
.trade-forms { display: flex; flex-direction: column; gap: 1rem; }
.trade-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.trade-card h3 { margin-bottom: 1rem; }

/* Estimate box */
.estimate-box { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.75rem 1rem; margin: 1rem 0; }
.estimate-row { display: flex; justify-content: space-between; padding: 0.3rem 0; font-size: 0.85rem; color: var(--color-text-muted); }
.estimate-row span:last-child { color: var(--color-text); font-weight: 500; font-variant-numeric: tabular-nums; }
.estimate-total { border-top: 1px solid var(--color-border); margin-top: 0.25rem; padding-top: 0.5rem; }
.estimate-total span { color: var(--color-text) !important; font-weight: 700 !important; font-size: 0.95rem; }

/* Slider */
.slider { width: 100%; -webkit-appearance: none; appearance: none; height: 6px; background: var(--color-border); border-radius: 3px; outline: none; margin: 0.5rem 0 0.25rem; }
.slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--color-primary); cursor: pointer; border: 2px solid var(--color-bg); }
.slider::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--color-primary); cursor: pointer; border: 2px solid var(--color-bg); }
.slider-labels { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--color-text-muted); }

/* Search */
.search-bar { margin-bottom: 1.5rem; }
.search-input { width: 100%; max-width: 400px; padding: 0.6rem 1rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); color: var(--color-text); font-size: 0.9rem; }
.search-input:focus { outline: none; border-color: var(--color-primary); }

/* Participant actions */
.participant-actions, .creator-actions, .join-form { margin-top: 1.5rem; display: flex; gap: 0.75rem; }

/* Admin links */
.admin-links { display: flex; gap: 0.75rem; }

/* Highlight row */
.highlight-row { background: rgba(59, 130, 246, 0.1); }

/* Leaderboard table */
.leaderboard-table { font-size: 0.85rem; }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; justify-content: center; }

/* Game card header */
.game-card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.game-card-header h3 { margin: 0; }

/* Game description */
.game-description { color: var(--color-text-muted); margin-bottom: 1.5rem; line-height: 1.6; }

/* Checkbox */
.checkbox-label { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; padding-top: 1.5rem; }
.checkbox-label input[type="checkbox"] { width: auto; }

/* Empty state */
.empty-state { text-align: center; padding: 3rem 1rem; }
.empty-state .btn { margin-top: 1rem; }

/* Button group */
.btn-group { display: flex; gap: 0.5rem; }

/* Chat */
.chat-container { max-width: 800px; }
.chat-form { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; }
.chat-input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9rem;
}
.chat-input:focus { outline: none; border-color: var(--color-primary); }
.messages-list { display: flex; flex-direction: column; gap: 0; }
.chat-message {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}
.chat-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.25rem; }
.chat-meta strong { font-size: 0.9rem; }
.chat-meta .text-muted { font-size: 0.75rem; }
.chat-message p { font-size: 0.9rem; color: var(--color-text-muted); margin: 0; }

/* Achievements */
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.achievement-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.achievement-earned { border-color: var(--color-success); }
.achievement-locked { opacity: 0.5; }
.achievement-icon { font-size: 2rem; min-width: 2.5rem; text-align: center; }
.achievement-info h3 { font-size: 0.95rem; margin-bottom: 0.15rem; }
.achievement-info p { font-size: 0.8rem; color: var(--color-text-muted); margin: 0; }

/* Activity feed */
.activity-feed { display: flex; flex-direction: column; gap: 0; }
.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}
.activity-content { flex: 1; }
.activity-content strong { font-size: 0.9rem; }
.activity-detail { font-size: 0.85rem; color: var(--color-text-muted); margin-left: 0.5rem; }
.activity-time { display: block; font-size: 0.75rem; }

/* Avatar */
.avatar-sm { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.avatar-nav { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.avatar-lg { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; }
.avatar-placeholder-sm {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700;
}

/* Nav user with avatar */
.nav-user-link { display: flex; align-items: center; gap: 0.4rem; text-decoration: none !important; }
.nav-user-link:hover .nav-user { color: var(--color-text); }

/* Profile page */
.profile-section { max-width: 700px; }
.current-avatar { display: flex; align-items: center; gap: 1.25rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.avatar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 0.75rem; }
.avatar-option { text-align: center; }
.avatar-option.locked { opacity: 0.4; }
.avatar-option.selected .avatar-btn { border-color: var(--color-success); box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3); }
.avatar-btn {
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    background: var(--color-surface); border: 2px solid var(--color-border); border-radius: var(--radius);
    padding: 0.75rem 0.5rem; cursor: pointer; width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s; color: var(--color-text);
}
.avatar-btn:hover:not(:disabled) { border-color: var(--color-primary); }
.avatar-btn:disabled { cursor: not-allowed; }
.avatar-preview { width: 48px; height: 48px; border-radius: 50%; }
.avatar-name { font-size: 0.7rem; color: var(--color-text-muted); }
.avatar-lock { font-size: 0.7rem; }

/* Notifications */
.notifications-list { display: flex; flex-direction: column; gap: 0; }
.notification-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}
.notification-unread { background: rgba(59, 130, 246, 0.05); border-left: 3px solid var(--color-primary); }
.notification-title { font-weight: 600; font-size: 0.9rem; }
.notification-message { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.2rem; }
.notif-badge {
    background: var(--color-danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.25rem;
    vertical-align: super;
}
.notif-badge:empty { display: none; }
.nav-notif { position: relative; }

/* Analytics */
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.analytics-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.analytics-card h3 { font-size: 1rem; margin-bottom: 1rem; }
.analytics-rows { display: flex; flex-direction: column; }
.analytics-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
}
.analytics-row:last-child { border-bottom: none; }
.analytics-row-highlight { font-weight: 700; }

/* Compare */
.compare-form { margin-bottom: 2rem; max-width: 400px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.compare-col { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.compare-col h2 { margin-bottom: 1rem; font-size: 1.1rem; }
.compare-placeholder { display: flex; align-items: center; justify-content: center; min-height: 200px; }
.compact-table { font-size: 0.85rem; }

/* Sector chart */
.chart-row { display: flex; gap: 2rem; align-items: flex-start; flex-wrap: wrap; }
.sector-list { display: flex; flex-direction: column; gap: 0.5rem; }
.sector-item { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; }
.sector-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }

/* Template cards */
.template-meta { display: flex; gap: 0.75rem; font-size: 0.8rem; color: var(--color-text-muted); margin: 0.5rem 0; flex-wrap: wrap; }
.template-meta span { background: var(--color-bg); padding: 0.15rem 0.5rem; border-radius: 4px; }
.template-action { margin-top: 0.75rem; }
.template-action .form-row { align-items: flex-end; margin: 0; }
.template-action .form-group { margin-bottom: 0; }

/* Watchlist button */
.btn-watchlist-active { background: var(--color-success); color: #000; }

/* Nav mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: transform 0.2s;
}

/* Footer links */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}
.footer-links a { color: var(--color-text-muted); font-size: 0.875rem; }
.footer-links a:hover { color: var(--color-text); }

/* Legal / prose content */
.legal-content { max-width: 800px; line-height: 1.8; }
.legal-content h2 { margin-top: 2rem; margin-bottom: 0.5rem; font-size: 1.25rem; }
.legal-content ul, .legal-content ol { padding-left: 1.5rem; margin: 0.5rem 0; }
.legal-content li { margin-bottom: 0.25rem; }
.legal-content p { margin-bottom: 0.75rem; }
.disclaimer-box {
    background: var(--color-surface);
    border-left: 4px solid var(--color-warning);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin: 1rem 0;
}

/* FAQ */
.faq-section { margin-bottom: 2rem; }
.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    overflow: hidden;
}
.faq-item summary {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
    content: '+ ';
    color: var(--color-text-muted);
}
.faq-item[open] summary::before { content: '- '; }
.faq-item p { padding: 0 1rem 0.75rem; margin: 0; }

/* Settings */
.settings-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.settings-card h2 { margin-bottom: 0.75rem; font-size: 1.125rem; }
.profile-info { display: flex; align-items: center; gap: 1.25rem; }
.profile-avatar { width: 64px; height: 64px; border-radius: 50%; }
.profile-details p { margin: 0.25rem 0; }

.danger-zone {
    border-color: var(--color-danger);
    border-width: 2px;
}
.danger-zone h2 { color: var(--color-danger); }

/* Unread row highlight */
.row-unread { background: rgba(59, 130, 246, 0.08); }

/* Disclaimer banner */
.disclaimer-banner {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.5rem;
        gap: 0.75rem;
        z-index: 100;
    }
    .nav-inner { position: relative; }
    .nav-open .nav-links { display: flex; }
    .form-row { flex-direction: column; }
    .game-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .trade-layout { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .analytics-grid { grid-template-columns: 1fr; }
    .chart-row { flex-direction: column; }
    .achievements-grid { grid-template-columns: 1fr; }
}