/* ============================================================
   Virtual Stock Market — GPU-Accelerated Glassmorphism UI
   ============================================================ */

/* ── Reset & Base ── */

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

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2a;
    --glass-bg: rgba(15, 15, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-hover: rgba(255, 255, 255, 0.03);
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --accent-green: #00e676;
    --accent-red: #ff1744;
    --accent-blue: #448aff;
    --accent-gold: #ffd740;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --font-mono: 'Courier New', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --transition: 0.2s ease;
}

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
}

/* ── Glass Panel (GPU-Composited) ── */

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px) saturate(1.4);
    -webkit-backdrop-filter: blur(12px) saturate(1.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transform: translateZ(0);
    will-change: transform;
    contain: layout style paint;
}

/* ── Auth Modal ── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.auth-panel {
    width: 380px;
    padding: 40px 32px;
    text-align: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -2px;
    color: var(--text-primary);
}

.logo-sm {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -1px;
}

.logo-dot {
    color: var(--accent-blue);
}

.subtitle {
    color: var(--text-secondary);
    margin: 4px 0 28px;
    font-size: 13px;
}

.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-sm);
    padding: 3px;
}

.tab {
    flex: 1;
    padding: 8px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 13px;
    transition: var(--transition);
}

.tab.active {
    background: var(--accent-blue);
    color: #fff;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Inputs ── */

input[type="text"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color var(--transition);
}

input:focus, select:focus {
    border-color: var(--accent-blue);
}

/* ── Buttons ── */

.btn {
    padding: 10px 20px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
    font-weight: 600;
}

.btn-primary:hover {
    background: #2979ff;
}

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-xs { padding: 4px 10px; font-size: 11px; }
.btn-full { width: 100%; }

.btn-faucet {
    width: 100%;
    margin-bottom: 6px;
    text-align: left;
}

/* ── Layout ── */

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    padding: 0 20px;
    height: 56px;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
    flex-shrink: 0;
}

.topbar-left { flex: 0 0 auto; }
.topbar-center { flex: 1; overflow: hidden; margin: 0 20px; }
.topbar-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ticker-strip {
    display: flex;
    gap: 24px;
    overflow: hidden;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 12px;
}

.ticker-item {
    display: inline-flex;
    gap: 6px;
}

.ticker-symbol { color: var(--text-primary); font-weight: 600; }
.ticker-price { color: var(--text-secondary); }
.ticker-up { color: var(--accent-green); }
.ticker-down { color: var(--accent-red); }

.balance-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
}

.balance-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.balance-value { font-family: var(--font-mono); font-size: 16px; color: var(--accent-gold); font-weight: 700; }
.username { font-size: 13px; color: var(--text-secondary); }

/* ── Main Grid ── */

.main-layout {
    display: grid;
    grid-template-columns: 220px 1fr 320px;
    gap: 8px;
    flex: 1;
    padding: 8px;
    overflow: hidden;
}

/* ── Sidebar ── */

.sidebar {
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.sidebar-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.asset-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.asset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.asset-item:hover, .asset-item.active {
    background: var(--glass-hover);
}

.asset-item.active {
    border-left: 2px solid var(--accent-blue);
}

.asset-symbol { font-family: var(--font-mono); font-weight: 600; }
.asset-price { font-family: var(--font-mono); color: var(--text-secondary); }

/* ── Chart ── */

.chart-area {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.chart-info { display: flex; align-items: baseline; gap: 12px; }
.chart-symbol { font-family: var(--font-mono); font-size: 20px; font-weight: 700; }
.chart-price { font-family: var(--font-mono); font-size: 18px; color: var(--text-secondary); }
.chart-change { font-family: var(--font-mono); font-size: 14px; }

.chart-controls {
    display: flex;
    gap: 4px;
}

.zoom-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.chart-container {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    position: relative;
    overflow: hidden;
}

.chart-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ── Trading Panel ── */

.trading-panel {
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trade-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.trade-tab {
    flex: 1;
    padding: 6px;
    border: 1px solid var(--glass-border);
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.trade-tab.active[data-side="buy"] {
    background: rgba(0, 230, 118, 0.15);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.trade-tab.active[data-side="sell"] {
    background: rgba(255, 23, 68, 0.15);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.trade-summary {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    margin-bottom: 8px;
    border-top: 1px solid var(--glass-border);
    font-size: 13px;
    color: var(--text-secondary);
}

#trade-total { font-family: var(--font-mono); color: var(--text-primary); font-weight: 600; }

/* ── Portfolio ── */

.portfolio-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.portfolio-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 4px;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-mono);
}

.portfolio-item .pnl-pos { color: var(--accent-green); }
.portfolio-item .pnl-neg { color: var(--accent-red); }

/* ── Faucet ── */

.faucet-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.task-challenge {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
}

.task-question {
    font-family: var(--font-mono);
    font-size: 16px;
    text-align: center;
    padding: 12px;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

.task-timer { font-size: 11px; color: var(--text-muted); margin-top: 6px; }
.task-result { font-size: 13px; margin-top: 6px; }

/* ── News Bar ── */

.news-bar {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 0;
    border-bottom: none;
    border-left: none;
    border-right: none;
    flex-shrink: 0;
    height: 36px;
}

.news-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-red);
    margin-right: 16px;
    flex-shrink: 0;
}

.news-ticker {
    overflow: hidden;
    white-space: nowrap;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ── Economy Stats ── */

.economy-stats {
    font-size: 12px;
    font-family: var(--font-mono);
}

.eco-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
}

.eco-label { color: var(--text-muted); }
.eco-value { color: var(--text-secondary); }

/* ── Utilities ── */

.hidden { display: none !important; }
.error-text { color: var(--accent-red); font-size: 12px; min-height: 16px; }
.success-text { color: var(--accent-green); font-size: 12px; min-height: 16px; }

/* ── Scrollbar ── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.12); }

/* ── Responsive ── */

@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 180px 1fr 280px;
    }
}

@media (max-width: 900px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    .sidebar { display: none; }
}