:root {
    --bg: #0f1117;
    --card-bg: #1a1d28;
    --border: #2a2d3a;
    --text: #e1e4eb;
    --text-muted: #8b8fa3;
    --green: #00d68f;
    --red: #ff4757;
    --blue: #3b82f6;
    --yellow: #fbbf24;
    --orange: #f97316;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.4rem; font-weight: 600; }

.status-badge {
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-running { background: rgba(0,214,143,0.15); color: var(--green); }
.status-paused { background: rgba(251,191,36,0.15); color: var(--yellow); }
.status-stopped { background: rgba(255,71,87,0.15); color: var(--red); }
.status-error { background: rgba(255,71,87,0.15); color: var(--red); }

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.card h2 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Balance */
.balance-card { text-align: center; }
.balance-amount { font-size: 2.5rem; font-weight: 700; margin: 0.5rem 0; }
.balance-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}
.balance-details .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.stat-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

/* PDT Status Card */
.pdt-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.pdt-card h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.pdt-remaining {
    font-size: 2rem;
    font-weight: 800;
    min-width: 50px;
    text-align: center;
}

.pdt-status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex: 1;
}

.pdt-card.pdt-ok { border-color: var(--green); }
.pdt-card.pdt-ok .pdt-remaining { color: var(--green); }

.pdt-card.pdt-warning { border-color: var(--yellow); }
.pdt-card.pdt-warning .pdt-remaining { color: var(--yellow); }

.pdt-card.pdt-danger { border-color: var(--orange); }
.pdt-card.pdt-danger .pdt-remaining { color: var(--orange); }

.pdt-card.pdt-exhausted { border-color: var(--red); background: rgba(255,71,87,0.05); }
.pdt-card.pdt-exhausted .pdt-remaining { color: var(--red); }

.pdt-card.pdt-disabled { border-color: var(--border); opacity: 0.6; }
.pdt-card.pdt-disabled .pdt-remaining { color: var(--text-muted); }

/* Market Hours Indicator */
.market-hours-indicator {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.85rem;
}

.market-hours-indicator .market-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.market-hours-indicator .market-dot.open {
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

.market-hours-indicator .market-dot.closed {
    background: var(--red);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.market-hours-indicator .market-label {
    font-weight: 600;
}

.market-hours-indicator .market-label.open { color: var(--green); }
.market-hours-indicator .market-label.closed { color: var(--red); }

.market-hours-indicator .market-countdown {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.controls button {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.controls button:hover { opacity: 0.85; }

#btn-pause { background: var(--yellow); color: #000; }
#btn-resume { background: var(--green); color: #000; }

.last-analysis {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tables */
.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th {
    text-align: left;
    padding: 0.6rem 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border);
}

.page-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.pagination .btn-small:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Pairs Grid */
.pairs-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pair-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(59,130,246,0.15);
    color: var(--blue);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Chart */
.chart-container {
    height: 250px;
    position: relative;
}

#equity-canvas {
    width: 100%;
    height: 100%;
}

footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Preset Selector */
.preset-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1.2rem 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s;
}

.preset-btn:hover { border-color: var(--blue); }

.preset-btn.preset-active {
    border-color: var(--blue);
    background: rgba(59,130,246,0.1);
}

.preset-icon { font-size: 1.5rem; }
.preset-name { font-size: 0.95rem; font-weight: 600; }
.preset-desc { font-size: 0.7rem; color: var(--text-muted); text-align: center; }

/* Lock Icons */
.lock-icon {
    cursor: pointer;
    font-size: 0.7rem;
    opacity: 0.4;
    transition: opacity 0.2s;
    vertical-align: middle;
    margin-left: 0.3rem;
}

.lock-icon:hover { opacity: 1; }
.lock-icon.locked { opacity: 1; color: var(--yellow); }

/* Collapsible */
.collapsible {
    cursor: pointer;
    user-select: none;
}

.collapsible:hover { color: var(--text); }

#advanced-arrow {
    font-size: 0.7rem;
    display: inline-block;
    transition: transform 0.2s;
    margin-left: 0.3rem;
}

#advanced-arrow.open { transform: rotate(90deg); }

/* Settings Tab */
.settings-group h3 {
    font-size: 0.85rem;
    color: var(--blue);
    margin-bottom: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.settings-group:last-of-type {
    border-bottom: none;
}

.micro-group h3 {
    color: var(--yellow);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.setting-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.setting-field label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.setting-field input,
.setting-field select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 0.7rem;
    color: var(--text);
    font-size: 0.85rem;
    font-family: var(--font);
    transition: border-color 0.2s;
}

.setting-field input:focus,
.setting-field select:focus {
    outline: none;
    border-color: var(--blue);
}

.setting-hint {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.settings-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
}

.btn-save {
    padding: 0.6rem 2rem;
    background: var(--green);
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-save:hover { opacity: 0.85; }

.btn-cancel {
    padding: 0.6rem 1.5rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

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

.settings-msg {
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.settings-msg.success {
    background: rgba(0,214,143,0.15);
    color: var(--green);
}

.settings-msg.error {
    background: rgba(255,71,87,0.15);
    color: var(--red);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1.5rem 0;
}

.tab {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-bottom: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: all 0.2s;
}

.tab.active {
    background: var(--card-bg);
    color: var(--text);
    border-color: var(--border);
}

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

.tab-content { display: none; }
.tab-content.active { display: flex; flex-direction: column; gap: 1rem; }

/* Login Modal */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 320px;
    text-align: center;
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.modal-content input {
    width: 100%;
    padding: 0.7rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.modal-content button {
    width: 100%;
    padding: 0.7rem;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.error-msg {
    color: var(--red);
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Small Buttons */
.btn-small {
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-remove:hover { background: rgba(255,71,87,0.15); }

/* Lessons */
.section-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.lessons-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.lesson-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    border-left: 3px solid var(--blue);
}

.lesson-pair { border-left-color: var(--green); }
.lesson-pattern { border-left-color: var(--yellow); }
.lesson-general { border-left-color: var(--blue); }

.lesson-type {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: rgba(59,130,246,0.15);
    color: var(--blue);
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    margin-right: 0.5rem;
}

.lesson-key {
    font-weight: 600;
    font-size: 0.85rem;
}

.lesson-insight {
    margin: 0.5rem 0 0.3rem;
    font-size: 0.85rem;
    color: var(--text);
}

.lesson-card small {
    font-size: 0.7rem;
    color: var(--text-muted);
}

p.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

/* AI Review Box */
.ai-review-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: 3px solid var(--blue);
    border-radius: 8px;
    padding: 1rem 1.2rem;
    margin: 1rem 0;
}

.ai-review-box h3 {
    font-size: 0.85rem;
    color: var(--blue);
    margin-bottom: 0.6rem;
    font-weight: 600;
}

.ai-review-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.ai-review-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.ai-review-countdown {
    font-size: 0.75rem;
    color: var(--yellow);
    font-weight: 500;
}

.ai-review-market {
    font-size: 0.8rem;
    color: var(--text);
    margin-bottom: 0.4rem;
    padding: 0.4rem 0.6rem;
    background: rgba(59,130,246,0.08);
    border-radius: 4px;
}

.ai-review-market:empty { display: none; }

.ai-review-reasoning {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    line-height: 1.4;
}

.ai-review-reasoning:empty { display: none; }

.ai-review-changes {
    font-size: 0.8rem;
    color: var(--green);
}

/* Market Watch */
.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.market-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    transition: border-color 0.2s;
}
.market-card:hover {
    border-color: var(--blue);
}
.market-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.market-pair {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}
.market-change {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
}
.market-change.positive {
    color: var(--green);
    background: rgba(0, 214, 143, 0.1);
}
.market-change.negative {
    color: var(--red);
    background: rgba(255, 71, 87, 0.1);
}
.market-price {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--text);
}
.market-details {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}
.market-details div {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.market-details .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.7;
}
.market-sr {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 500;
}
.sr-support { color: var(--green); }
.sr-resistance { color: var(--red); }

@media (max-width: 768px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .balance-details { flex-direction: column; gap: 0.5rem; }
    header { padding: 1rem; }
    main { padding: 1rem; }
    .settings-grid { grid-template-columns: repeat(2, 1fr); }
    .preset-selector { grid-template-columns: 1fr; }
    .tabs { padding: 0.5rem 1rem 0; overflow-x: auto; flex-wrap: nowrap; }
    .tab { padding: 0.5rem 0.8rem; font-size: 0.75rem; white-space: nowrap; }
    .market-grid { grid-template-columns: 1fr; }
    .pdt-card { flex-direction: column; text-align: center; }
}