/* =============================================
   TradePulse AI — Professional Trading Platform
   Dark Theme Stylesheet
   ============================================= */

:root {
    /* Core palette */
    --bg-primary: #0a0e17;
    --bg-secondary: #131722;
    --bg-tertiary: #1a1f2e;
    --bg-card: #151b28;
    --bg-hover: #1e2636;
    --bg-input: #1a1f2e;
    
    /* Borders */
    --border: #1e2636;
    --border-light: #2a3044;
    --border-focus: #00d4aa;
    
    /* Text */
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --text-dim: #4b5563;
    
    /* Accent colors */
    --accent: #00d4aa;
    --accent-hover: #00f0c0;
    --accent-dim: rgba(0,212,170,0.15);
    
    /* Status */
    --bull: #22c55e;
    --bull-bg: rgba(34,197,94,0.12);
    --bear: #ef4444;
    --bear-bg: rgba(239,68,68,0.12);
    --warn: #f59e0b;
    --warn-bg: rgba(245,158,11,0.12);
    --info: #3b82f6;
    --info-bg: rgba(59,130,246,0.12);
    
    /* Chart */
    --candle-up: #22c55e;
    --candle-down: #ef4444;
    --candle-wick: #6b7280;
    --grid-line: rgba(255,255,255,0.04);
    
    /* Sizing */
    --sidebar-w: 260px;
    --topbar-h: 56px;
    --radius: 8px;
    --radius-lg: 12px;
    
    /* Fonts */
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
    --font-display: 'Segoe UI', system-ui, sans-serif;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); background: var(--bg-primary); color: var(--text-primary); min-height: 100vh; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; }
button { font-family: inherit; }

/* ---- LAYOUT ---- */
.app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    z-index: 100;
}
.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    color: var(--accent);
    min-width: calc(var(--sidebar-w) - 48px);
}
.topbar-brand span { color: var(--text-secondary); font-weight: 400; font-size: 12px; }
.topbar-search {
    flex: 1;
    max-width: 420px;
    position: relative;
}
.topbar-search input {
    width: 100%;
    padding: 8px 14px 8px 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    transition: border-color .2s;
}
.topbar-search input:focus { outline: none; border-color: var(--accent); }
.topbar-search::before {
    content: '🔍';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
}
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}
.topbar-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all .15s;
}
.topbar-btn:hover { border-color: var(--accent); color: var(--accent); }
.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 4px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: background .15s;
}
.topbar-user:hover { background: var(--bg-hover); }
.topbar-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
    height: calc(100vh - var(--topbar-h));
}
.sidebar-section {
    padding: 0 16px;
    margin-bottom: 8px;
}
.sidebar-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-dim);
    padding: 12px 16px 6px;
    font-weight: 600;
}
.sidebar-nav { list-style: none; }
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    color: var(--text-secondary);
    border-radius: 6px;
    margin: 1px 8px;
    font-size: 13px;
    transition: all .15s;
}
.sidebar-nav li a:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-nav li a.active {
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 600;
}
.sidebar-nav li a .icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-nav li a .badge {
    margin-left: auto;
    background: var(--bear);
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* Main content */
.main-content {
    padding: 24px;
    overflow-y: auto;
    height: calc(100vh - var(--topbar-h));
}

/* ---- COMPONENTS ---- */

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}
.card-body { padding: 20px; }
.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: rgba(0,0,0,0.15);
}

/* Grid */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-sidebar { grid-template-columns: 1fr 340px; }

/* Stat cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: border-color .2s;
}
.stat-card:hover { border-color: var(--border-light); }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.stat-value { font-size: 24px; font-weight: 700; font-family: var(--font-mono); }
.stat-change { font-size: 12px; margin-top: 4px; display: flex; align-items: center; gap: 4px; }
.stat-change.up { color: var(--bull); }
.stat-change.down { color: var(--bear); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { cursor: pointer; }
.form-hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.form-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.form-toggle input[type="checkbox"] { display: none; }
.toggle-slider {
    width: 40px;
    height: 22px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 11px;
    position: relative;
    transition: all .2s;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all .2s;
}
.form-toggle input:checked + .toggle-slider { background: var(--accent-dim); border-color: var(--accent); }
.form-toggle input:checked + .toggle-slider::after { transform: translateX(18px); background: var(--accent); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    font-family: inherit;
    line-height: 1.4;
}
.btn-primary { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--bear); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-icon { padding: 8px; }
.btn-group { display: flex; gap: 8px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.tp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.tp-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    white-space: nowrap;
}
.tp-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.tp-table tr:hover td { background: var(--bg-hover); }
.tp-table .mono { font-family: var(--font-mono); }

/* Tags */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.tag-bull { background: var(--bull-bg); color: var(--bull); }
.tag-bear { background: var(--bear-bg); color: var(--bear); }
.tag-warn { background: var(--warn-bg); color: var(--warn); }
.tag-info { background: var(--info-bg); color: var(--info); }
.tag-neutral { background: var(--bg-tertiary); color: var(--text-muted); }

/* News feed */
.news-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 12px;
}
.news-item:last-child { border-bottom: none; }
.news-time {
    font-size: 11px;
    color: var(--text-dim);
    min-width: 60px;
    font-family: var(--font-mono);
    padding-top: 2px;
}
.news-content h4 { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.news-content h4 a { color: var(--text-primary); }
.news-content h4 a:hover { color: var(--accent); }
.news-content p { font-size: 12px; color: var(--text-muted); }
.news-source { font-size: 10px; color: var(--text-dim); text-transform: uppercase; }

/* Ticker strip */
.ticker-strip {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px;
    display: flex;
    gap: 24px;
    overflow-x: auto;
    font-size: 12px;
    font-family: var(--font-mono);
}
.ticker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.ticker-symbol { color: var(--text-primary); font-weight: 600; }
.ticker-price { color: var(--text-secondary); }
.ticker-change.up { color: var(--bull); }
.ticker-change.down { color: var(--bear); }

/* Chart area */
.chart-container {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.chart-toolbar {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.chart-toolbar .interval-btn {
    padding: 4px 10px;
    background: none;
    border: 1px solid transparent;
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font-mono);
    transition: all .15s;
}
.chart-toolbar .interval-btn:hover { color: var(--text-primary); }
.chart-toolbar .interval-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: var(--accent);
}
.chart-toolbar .separator {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 4px;
}
.chart-draw-btn {
    padding: 5px 8px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all .15s;
}
.chart-draw-btn:hover { border-color: var(--accent); color: var(--accent); }
.chart-draw-btn.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.chart-canvas-wrap {
    position: relative;
    width: 100%;
    min-height: 480px;
}

/* AI Chat */
.ai-chat {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.ai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}
.ai-msg {
    margin-bottom: 16px;
    display: flex;
    gap: 10px;
}
.ai-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}
.ai-msg.user .ai-msg-avatar { background: var(--info-bg); }
.ai-msg.assistant .ai-msg-avatar { background: var(--accent-dim); }
.ai-msg-body {
    flex: 1;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}
.ai-msg-body pre {
    background: var(--bg-primary);
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    margin: 8px 0;
}
.ai-input-row {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}
.ai-input-row input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
}
.ai-input-row input:focus { outline: none; border-color: var(--accent); }

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    gap: 0;
}
.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all .15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; padding: 20px 0; }
.tab-panel.active { display: block; }

/* Alerts / Notifications */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-success { background: var(--bull-bg); border: 1px solid rgba(34,197,94,.2); color: var(--bull); }
.alert-error { background: var(--bear-bg); border: 1px solid rgba(239,68,68,.2); color: var(--bear); }
.alert-warning { background: var(--warn-bg); border: 1px solid rgba(245,158,11,.2); color: var(--warn); }
.alert-info { background: var(--info-bg); border: 1px solid rgba(59,130,246,.2); color: var(--info); }

/* Watchlist */
.watchlist-row {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    font-size: 13px;
}
.watchlist-row:last-child { border-bottom: none; }
.wl-symbol { font-weight: 600; color: var(--text-primary); min-width: 80px; font-family: var(--font-mono); }
.wl-price { font-family: var(--font-mono); color: var(--text-secondary); min-width: 80px; }
.wl-change { font-family: var(--font-mono); min-width: 70px; }
.wl-actions { margin-left: auto; }

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,14,23,.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 560px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 { font-size: 15px; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px; padding: 4px; }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }

/* ---- AUTH PAGES ---- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
}
.auth-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 100%;
}
.auth-box h1 {
    color: var(--accent);
    font-size: 22px;
    margin-bottom: 4px;
}
.auth-box .subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 28px;
}
.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ---- FRONTEND/PUBLIC ---- */
.public-header {
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}
.public-hero {
    text-align: center;
    padding: 80px 40px;
    max-width: 700px;
    margin: 0 auto;
}
.public-hero h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.15;
}
.public-hero h1 em { color: var(--accent); font-style: normal; }
.public-hero p { color: var(--text-secondary); font-size: 17px; line-height: 1.7; margin-bottom: 32px; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px 80px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color .2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-card .icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 15px; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-sidebar { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { 
        display: none; 
        position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
        width: 260px; z-index: 200; 
        box-shadow: 4px 0 20px rgba(0,0,0,.4);
    }
    .sidebar.sidebar-mobile-open { display: block; }
    #dashMenuToggle { display: inline-flex !important; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .topbar-brand { min-width: auto; }
    .topbar-search { display: none; }
    .form-row { flex-direction: column; }
    .public-hero h1 { font-size: 28px; }
    .dash-grid { grid-template-columns: 1fr !important; }
}

/* Prediction chart */
.prediction-chart-wrap {
    margin-top: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}
.prediction-chart-wrap h4 {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.prediction-canvas {
    width: 100%;
    height: 200px;
    border-radius: 4px;
}
.prediction-legend {
    display: flex;
    gap: 16px;
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-muted);
}
.prediction-legend span::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 3px;
    border-radius: 2px;
    margin-right: 4px;
    vertical-align: middle;
}
/* Pulse animation for live indicators */
@keyframes pulse-live { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.live-dot {
    width: 6px; height: 6px;
    background: var(--bull);
    border-radius: 50%;
    display: inline-block;
    animation: pulse-live 1.5s ease-in-out infinite;
}

/* Drawing tools panel */
.draw-panel {
    position: absolute;
    left: 8px;
    top: 50px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 5;
}
.draw-panel button {
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .15s;
}
.draw-panel button:hover { background: var(--bg-hover); color: var(--text-primary); }
.draw-panel button.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

/* ---- ADMIN LAYOUT v2 (collapsible sidebar) ---- */
.admin-layout {
    display: grid;
    grid-template-columns: var(--admin-sidebar-w, 54px) 1fr;
    min-height: 100vh;
    transition: grid-template-columns .25s ease;
}
.admin-layout.sidebar-open { --admin-sidebar-w: 240px; }

.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: width .25s ease;
    width: var(--admin-sidebar-w, 54px);
    position: sticky;
    top: 0;
    height: 100vh;
}
.admin-sidebar .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    transition: color .15s;
    flex-shrink: 0;
}
.admin-sidebar .sidebar-toggle:hover { color: var(--accent); }
.admin-sidebar .sidebar-toggle .brand-text {
    display: none;
    margin-left: 10px;
    font-weight: 700;
    font-size: 15px;
    color: var(--accent);
    white-space: nowrap;
}
.sidebar-open .sidebar-toggle .brand-text { display: inline; }
.sidebar-open .sidebar-toggle { justify-content: flex-start; padding-left: 18px; }

.admin-sidebar .sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
}
.admin-nav { list-style: none; }
.admin-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
    transition: all .15s;
    border-left: 3px solid transparent;
}
.admin-nav li a:hover { background: var(--bg-hover); color: var(--text-primary); }
.admin-nav li a.active {
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 600;
    border-left-color: var(--accent);
}
.admin-nav li a .nav-icon {
    font-size: 16px;
    min-width: 20px;
    text-align: center;
    flex-shrink: 0;
}
.admin-nav li a .nav-label { overflow: hidden; }
.admin-layout:not(.sidebar-open) .admin-nav li a .nav-label { display: none; }
.admin-layout:not(.sidebar-open) .admin-nav li a { justify-content: center; padding: 10px 0; }

.admin-nav .nav-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 12px;
}
.admin-nav .nav-section {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    padding: 12px 16px 4px;
    white-space: nowrap;
    overflow: hidden;
}
.admin-layout:not(.sidebar-open) .nav-section { display: none; }

.admin-main {
    padding: 28px 36px;
    overflow-y: auto;
    max-height: 100vh;
    background: var(--bg-primary);
}
.admin-main h1 {
    font-size: 22px;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.admin-main .page-desc {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

/* Settings sections (admin) */
.settings-section { margin-bottom: 32px; }
.settings-section h3 {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}
.inline-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.config-info {
    background: var(--bg-tertiary);
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 20px;
    white-space: pre-wrap;
    line-height: 1.8;
}

/* Sortable list items (for quick pairs, etc.) */
.sortable-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 6px;
    transition: border-color .15s;
    cursor: grab;
}
.sortable-item:hover { border-color: var(--border-light); }
.sortable-item .drag-handle { color: var(--text-dim); cursor: grab; font-size: 16px; }
.sortable-item .item-label { flex: 1; font-size: 13px; font-family: var(--font-mono); color: var(--text-primary); }
.sortable-item .item-meta { font-size: 11px; color: var(--text-dim); }
.sortable-item .item-actions { display: flex; gap: 4px; }

/* Indicator card (library view) */
.indicator-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: border-color .2s;
}
.indicator-card:hover { border-color: var(--accent); }
.indicator-card h4 { font-size: 13px; margin-bottom: 4px; }
.indicator-card .ind-desc { font-size: 11px; color: var(--text-muted); line-height: 1.5; margin-bottom: 8px; }
.indicator-card .ind-formula { font-size: 11px; font-family: var(--font-mono); color: var(--info); background: var(--bg-primary); padding: 4px 8px; border-radius: 4px; display: inline-block; }
.indicator-card .ind-category { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-dim); }

/* Heatmap grid */
.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 4px;
}
.heatmap-cell {
    padding: 12px 8px;
    border-radius: var(--radius);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    transition: transform .1s;
}
.heatmap-cell:hover { transform: scale(1.05); }
.heatmap-cell .cell-symbol { font-weight: 600; font-size: 11px; }
.heatmap-cell .cell-value { font-size: 14px; font-weight: 700; }

/* Code editor (custom indicator) */
.code-editor {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.code-editor-header {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.code-editor textarea {
    width: 100%;
    min-height: 200px;
    padding: 14px;
    background: var(--bg-primary);
    border: none;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
}
.code-editor textarea:focus { outline: none; }

/* Multi-chart layout */
.multi-chart-grid {
    display: grid;
    gap: 12px;
}
.multi-chart-grid.layout-1x1 { grid-template-columns: 1fr; }
.multi-chart-grid.layout-2x1 { grid-template-columns: 1fr 1fr; }
.multi-chart-grid.layout-2x2 { grid-template-columns: 1fr 1fr; }
.multi-chart-grid.layout-3x1 { grid-template-columns: 1fr 1fr 1fr; }
.multi-chart-grid.layout-3x2 { grid-template-columns: 1fr 1fr 1fr; }
.multi-chart-grid.layout-4x2 { grid-template-columns: 1fr 1fr 1fr 1fr; }

/* Session timezone overlay */
.session-bar {
    display: flex;
    height: 24px;
    border-radius: 4px;
    overflow: hidden;
    margin: 8px 0;
    font-size: 10px;
    font-weight: 600;
}
.session-bar .session-block {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.8);
    white-space: nowrap;
    padding: 0 6px;
}
.session-sydney { background: #6366f1; }
.session-tokyo { background: #ec4899; }
.session-london { background: #f59e0b; }
.session-newyork { background: #22c55e; }
.session-overlap { background: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(255,255,255,.1) 3px, rgba(255,255,255,.1) 6px); }