/* ===================================================================
   Trading Dashboard — Tema oscuro
   =================================================================== */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --bg-hover: #252c35;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --orange: #db6d28;
    --purple: #bc8cff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
}

.login-card h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.login-card .subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

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

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

.btn-primary {
    width: 100%;
    padding: 10px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
}

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

.error-msg {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--red);
    color: var(--red);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

/* Navbar */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar .nav-links {
    display: flex;
    gap: 4px;
}

.navbar .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

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

.navbar .nav-links a.active {
    background: var(--bg-hover);
    color: var(--accent);
}

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

.navbar .balance-badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.navbar .engine-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.navbar .engine-dot.running { background: var(--green); }
.navbar .engine-dot.stopped { background: var(--red); }

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.card-header .badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.badge-long {
    background: rgba(63, 185, 80, 0.15);
    color: var(--green);
}

.badge-short {
    background: rgba(248, 81, 73, 0.15);
    color: var(--red);
}

.badge-idle {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
}

.badge-timeframe {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent);
}

/* Position cards */
.position-card {
    border-left: 3px solid var(--border);
}

.position-card.long { border-left-color: var(--green); }
.position-card.short { border-left-color: var(--red); }

.position-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 13px;
}

.position-info .label {
    color: var(--text-secondary);
}

.position-info .value {
    text-align: right;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.pnl-positive { color: var(--green); }
.pnl-negative { color: var(--red); }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 22px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.stat-card .stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Table */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
}

tr:hover {
    background: var(--bg-hover);
}

/* Buttons */
.btn {
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}

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

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

.btn-danger:hover {
    background: rgba(248, 81, 73, 0.15);
}

.btn-success {
    border-color: var(--green);
    color: var(--green);
}

.btn-success:hover {
    background: rgba(63, 185, 80, 0.15);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

/* Chart container */
.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

.chart-container-lg {
    height: 400px;
}

/* Indicators */
.indicator-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    font-size: 13px;
}

.indicator-row:last-child {
    border-bottom: none;
}

.indicator-label {
    color: var(--text-secondary);
}

.indicator-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Strength bar */
.strength-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

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

/* Log panel */
.log-panel {
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: 12px;
}

.log-entry {
    padding: 4px 8px;
    border-bottom: 1px solid rgba(48, 54, 61, 0.3);
}

.log-entry .log-time {
    color: var(--text-muted);
    margin-right: 8px;
}

.log-entry.trade { color: var(--yellow); }
.log-entry.error { color: var(--red); }
.log-entry.system { color: var(--accent); }
.log-entry.warn { color: var(--orange); }

/* Section headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.section-spacing {
    margin-top: 20px;
}

/* Algorithm explanation styles */
.algo-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 4px;
}

.algo-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.algo-price {
    font-size: 20px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-bottom: 8px;
}

.algo-explain {
    margin-bottom: 8px;
}

.algo-explain-text {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 0;
    line-height: 1.4;
}

.indicator-detail {
    padding: 6px 0;
    border-bottom: 1px solid rgba(48, 54, 61, 0.3);
}

.indicator-detail:last-child {
    border-bottom: none;
}

.indicator-explain {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    padding-left: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}


/* Topology divergence signal */
.topo-card {
    padding: 0;
    overflow: hidden;
}

.topo-loading {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.topo-content {
    padding: 16px;
}

.topo-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
}

.topo-main-left {
    flex: 1;
}

.topo-level {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.topo-divval {
    font-size: 28px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.topo-gauge-container {
    max-width: 200px;
}

.topo-gauge {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.topo-gauge-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 1s ease;
}

.topo-main-right {
    text-align: center;
    padding-left: 24px;
}

.topo-vol-ratio {
    font-size: 36px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.topo-vol-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.3;
}

.topo-combined-alert {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--red);
    color: var(--red);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    text-align: center;
}

.topo-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

@media (max-width: 768px) {
    .topo-details { grid-template-columns: repeat(2, 1fr); }
}

.topo-detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.topo-detail-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.topo-detail-value {
    font-size: 15px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

.topo-detail-explain {
    font-size: 11px;
    color: var(--text-secondary);
}

.topo-explain {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
}