/* Trader — Dark Trading Terminal Theme */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2234;
    --bg-input: #0f1623;
    --border: #1e293b;
    --border-focus: #3b82f6;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --green: #10b981;
    --green-dim: rgba(16, 185, 129, 0.15);
    --red: #ef4444;
    --red-dim: rgba(239, 68, 68, 0.15);
    --blue: #3b82f6;
    --blue-dim: rgba(59, 130, 246, 0.15);
    --yellow: #f59e0b;
    --yellow-dim: rgba(245, 158, 11, 0.15);
    --purple: #8b5cf6;
}

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

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
}

/* ── Layout ─────────────────────────────── */

.app-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 1px;
}

.app-logo span { color: var(--text-muted); font-weight: 400; }

.header-nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    transition: all 0.2s;
}

.nav-btn:hover, .nav-btn.active {
    border-color: var(--blue);
    color: var(--blue);
    background: var(--blue-dim);
}

.nav-btn.logout {
    border-color: var(--red);
    color: var(--red);
}

.nav-btn.logout:hover {
    background: var(--red-dim);
}

.user-badge {
    color: var(--text-muted);
    font-size: 12px;
    margin-right: 8px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Auth View ──────────────────────────── */

.auth-container {
    max-width: 400px;
    margin: 80px auto;
    padding: 0 24px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.auth-card h2 {
    color: var(--green);
    margin-bottom: 24px;
    font-size: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--green);
    color: #000;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    margin-top: 12px;
}

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

.auth-error {
    color: var(--red);
    font-size: 12px;
    margin-top: 12px;
    text-align: center;
    display: none;
}

/* ── Dashboard ──────────────────────────── */

.controls-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.date-input {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
}

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

.controls-bar .btn {
    width: auto;
    padding: 8px 20px;
}

.status-msg {
    color: var(--text-muted);
    font-size: 12px;
    margin-left: auto;
}

/* ── Cards Grid ─────────────────────────── */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.card-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-yellow { background: var(--yellow-dim); color: var(--yellow); }
.badge-blue { background: var(--blue-dim); color: var(--blue); }

/* ── Tabs ───────────────────────────────── */

.tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 0;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    padding: 10px 18px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    margin-bottom: -2px;
}

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

.tab-btn.active {
    color: var(--green);
    border-bottom-color: var(--green);
}

.tab-content {
    margin-top: 0;
}

.tab-content .card {
    border-top: none;
    border-radius: 0 0 10px 10px;
    min-height: 300px;
}

/* ── Timeline Graph ─────────────────────── */

.graph-container {
    width: 100%;
    overflow-x: auto;
}

.timeline-svg {
    width: 100%;
    min-width: 600px;
    height: auto;
    font-family: 'JetBrains Mono', monospace;
}

.graph-dot {
    transition: r 0.15s;
}

.graph-dot-hover:hover + .graph-dot,
.graph-dot:hover {
    r: 7;
}

.graph-tooltip text {
    pointer-events: none;
}

/* Open Bias Card */
.bias-value {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin: 16px 0;
}

.bias-GREEN { color: var(--green); }
.bias-RED { color: var(--red); }
.bias-NEUTRAL { color: var(--yellow); }

.bias-score {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

.bias-reasons {
    list-style: none;
    padding: 0;
}

.bias-reasons li {
    padding: 6px 0;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.bias-reasons li:last-child { border: none; }

.bias-reasons li::before {
    content: "\25B8 ";
    color: var(--text-muted);
}

/* S/R Levels Card */
.sr-table {
    width: 100%;
    border-collapse: collapse;
}

.sr-table th {
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
}

.sr-table td {
    padding: 8px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}

.sr-table tr:last-child td { border: none; }

.level-support { color: var(--green); }
.level-resistance { color: var(--red); }
.level-pivot { color: var(--yellow); font-weight: 700; }

.level-method {
    color: var(--text-muted);
    font-size: 11px;
}

/* Reversal Timeline Card */
.card.full-width {
    grid-column: 1 / -1;
}

.reversal-timeline {
    position: relative;
    padding: 12px 0;
}

.timeline-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 20px 0 30px 0;
    position: relative;
}

.timeline-markers {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 10px;
    margin-bottom: 8px;
}

.timeline-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    top: -5px;
    transform: translateX(-50%);
    cursor: pointer;
    transition: transform 0.2s;
    z-index: 2;
}

.timeline-dot:hover { transform: translateX(-50%) scale(1.4); }

.dot-strong { background: var(--red); box-shadow: 0 0 8px rgba(239, 68, 68, 0.4); }
.dot-moderate { background: var(--yellow); box-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
.dot-weak { background: var(--blue); box-shadow: 0 0 6px rgba(59, 130, 246, 0.3); }

.timeline-label {
    position: absolute;
    top: 16px;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Reversal Strength Table */
.strength-table {
    width: 100%;
    border-collapse: collapse;
}

.strength-table th {
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 8px;
    border-bottom: 1px solid var(--border);
}

.strength-table td {
    padding: 8px;
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}

.strength-table tr:last-child td { border: none; }

.strength-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.str-strong .strength-fill { background: var(--red); }
.str-moderate .strength-fill { background: var(--yellow); }
.str-weak .strength-fill { background: var(--blue); }

.trigger-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.trigger-tag {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* ── Correlation Panel ──────────────────── */

.corr-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.corr-score {
    font-size: 48px;
    font-weight: 700;
}

.score-good { color: var(--green); }
.score-ok { color: var(--yellow); }
.score-bad { color: var(--red); }

.corr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.corr-metric {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.corr-metric-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.corr-metric-value {
    font-size: 24px;
    font-weight: 700;
}

.corr-metric-detail {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── History Table ──────────────────────── */

.history-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.history-table th {
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.history-table td {
    padding: 10px 12px;
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}

.history-table tr:last-child td { border: none; }

.history-table tr:hover td {
    background: rgba(59, 130, 246, 0.05);
}

/* ── Bulk Correlation ──────────────────── */

.bulk-results {
    margin-top: 20px;
}

.bulk-agg {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

/* ── Utilities ──────────────────────────── */

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

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

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state p {
    margin-top: 8px;
    font-size: 12px;
}

.hidden { display: none !important; }

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 200;
    animation: slideIn 0.3s ease;
}

.toast-success { background: var(--green); color: #000; }
.toast-error { background: var(--red); color: #fff; }

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ── Responsive ─────────────────────────── */

@media (max-width: 768px) {
    .container { padding: 16px; }
    .cards-grid { grid-template-columns: 1fr; }
    .app-header { padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
    .header-nav { flex-wrap: wrap; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .status-msg { margin-left: 0; }
    .corr-score { font-size: 36px; }
}