:root {
    --bg: #090c13;
    --surface: #101524;
    --surface-hover: #171f33;
    --border: #212c45;
    --border-hover: #314269;
    --primary: #00e676;
    --primary-glow: rgba(0, 230, 118, 0.25);
    --secondary: #00b0ff;
    --accent: #00e676;
    --danger: #ff1744;
    --warning: #ffea00;
    --text-main: #e3edf8;
    --text-muted: #647c9c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'JetBrains Mono', monospace;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    padding-bottom: 40px;
    border-top: 4px solid var(--primary);
}

header {
    width: 100%;
    max-width: 1350px;
    margin: 25px auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 0 5px var(--primary-glow));
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.coin-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 8px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
    background: #1a1e2e;
}

.brand-text h1 {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.brand-text p {
    font-size: 10px;
    color: var(--secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.refresh-btn {
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 18px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    transition: all 0.2s ease-in-out;
}

.refresh-btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-1px);
}

main {
    width: 100%;
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

/* Stats Bar */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.stat-card.pos-stat { border-left-color: var(--primary); }
.stat-card.neg-stat { border-left-color: var(--danger); }
.stat-card.neutral-stat { border-left-color: var(--secondary); }

.stat-info span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.stat-info h2 {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.stat-icon {
    font-size: 22px;
    color: var(--text-muted);
    opacity: 0.5;
}

/* 3 Columns Below: Chart, Strategy listing, Trades Table */
.dashboard-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.chart-and-controls {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

@media (max-width: 1100px) {
    .chart-and-controls {
        grid-template-columns: 1fr;
    }
}

/* High-tech graph panel */
.chart-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.chart-container {
    width: 100%;
    height: 350px;
    position: relative;
}

/* Strategy panel card */
.panel-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 452px;
}

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

.panel-title {
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title i {
    color: var(--primary);
}

/* Strategy list */
.strategy-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    flex-grow: 1;
    padding-right: 4px;
}

.strategy-item {
    background: rgba(14, 20, 35, 0.4);
    border: 1px solid var(--border);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.2s ease;
}

.strategy-item:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.strategy-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.strategy-name {
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
}

.strategy-desc {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.5;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 22px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #314269;
    transition: .2s;
    border-radius: 2px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .2s;
    border-radius: 2px;
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
    background-color: #000;
}

/* Trades table container */
.table-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    background: #090c13;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    text-align: left;
}

th {
    background-color: #101524;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

th.sortable:hover {
    background: rgba(255,255,255,0.05);
}

th.sortable i {
    margin-left: 6px;
    font-size: 10px;
    opacity: 0.5;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    color: #afc1d8;
    font-weight: 500;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

.pnl-text {
    font-weight: 700;
}

.pnl-positive {
    color: var(--primary);
    text-shadow: 0 0 6px var(--primary-glow);
}

.pnl-negative {
    color: var(--danger);
    text-shadow: 0 0 6px rgba(255, 23, 68, 0.2);
}

.status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 2px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-open {
    background: rgba(255, 234, 0, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.status-closed {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.25);
}

.empty-trades {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 11px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.empty-trades i {
    font-size: 28px;
    color: var(--border-hover);
}

/* Fine-Tuning Lab */
.tuning-section {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.tuning-btn {
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 22px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tuning-btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 15px var(--primary-glow);
}

.tuning-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tuning-btn:disabled:hover {
    background: rgba(0, 230, 118, 0.08);
    color: var(--primary);
    box-shadow: none;
}

.progress-container {
    width: 100%;
    background: #0e1423;
    border: 1px solid var(--border);
    height: 28px;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #00e676, #00b0ff);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 0 4px rgba(0,0,0,0.6);
}

.tuning-filters {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.tuning-filters select {
    background: #0e1423;
    border: 1px solid var(--border);
    color: var(--text-main);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 8px 12px;
    cursor: pointer;
}

.tuning-filters select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Component utilities */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.action-btn:hover {
    filter: brightness(1.2);
}