:root {
    --bg-main: #0b0e14;
    --bg-card: #151b24;
    --bg-card-hover: #1e2633;
    --border-color: #242c38;
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --color-usd: #2196F3;
    --color-eur: #FF9800;
    --color-gbp: #009688;
    --color-chf: #9C27B0;
    --color-jpy: #CDDC39;
    --color-aud: #E91E63;
    --color-cad: #4CAF50;
    --color-nzd: #F44336;
    --success: #2ea043;
    --danger: #cf222e;
    --accent: #58a6ff;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    padding: 1.5rem;
}

.dashboard-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(90deg, #58a6ff, #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Connection Status */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.3s;
}

.status-indicator.connected {
    color: var(--success);
    border-color: rgba(46, 160, 67, 0.4);
}

.status-indicator.disconnected {
    color: var(--danger);
    border-color: rgba(207, 34, 46, 0.4);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.connected .pulse-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

.disconnected .pulse-dot {
    background: var(--danger);
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }

    100% {
        transform: scale(0.95);
        opacity: 0.8;
    }
}

/* Controls */
.controls-section {
    display: flex;
    gap: 2rem;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.tf-buttons {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.tf-btn {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tf-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
}

.tf-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.3);
}

.currency-buttons {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.cur-btn {
    padding: 0.3rem 0.6rem;
    border: 2px solid var(--cur-color);
    border-radius: 6px;
    background: transparent;
    color: var(--cur-color);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    opacity: 0.5;
}

.cur-btn.active {
    background: var(--cur-color);
    color: #fff;
    opacity: 1;
    box-shadow: 0 0 6px var(--cur-color);
}

select {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    cursor: pointer;
}

input[type="color"] {
    width: 32px;
    height: 28px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main);
    cursor: pointer;
    padding: 2px;
}

/* Multi-panel chart grid */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 100%;
}

.chart-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    min-width: 0;
    /* prevent grid blowout */
}

.chart-panel h3 {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.chart-wrap {
    width: 100%;
    height: 300px;
}

/* Score Cards */
.summary-section h2 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.scores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.score-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top-width: 3px;
    border-radius: 8px;
    padding: 1rem 0.75rem;
    text-align: center;
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.score-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
}

.score-currency {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.score-value {
    font-size: 1.3rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.score-value.positive {
    color: var(--success);
}

.score-value.negative {
    color: var(--danger);
}

.card-usd {
    border-top-color: var(--color-usd);
}

.card-eur {
    border-top-color: var(--color-eur);
}

.card-gbp {
    border-top-color: var(--color-gbp);
}

.card-chf {
    border-top-color: var(--color-chf);
}

.card-jpy {
    border-top-color: var(--color-jpy);
}

.card-aud {
    border-top-color: var(--color-aud);
}

.card-cad {
    border-top-color: var(--color-cad);
}

.card-nzd {
    border-top-color: var(--color-nzd);
}

/* Custom Assets */
.custom-assets-group {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 0.4rem !important;
}

.asset-input-row {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.asset-input-row input[type="text"] {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    width: 160px;
    outline: none;
    transition: border-color 0.2s;
}

.asset-input-row input[type="text"]:focus {
    border-color: var(--accent);
}

.custom-asset-buttons {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.asset-btn-group {
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.asset-toggle {
    padding: 0.3rem 0.6rem;
    border: none;
    border-right: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    opacity: 0.5;
    border-left: 3px solid var(--asset-color);
}

.asset-toggle.active {
    background: rgba(255, 255, 255, 0.06);
    color: var(--asset-color);
    opacity: 1;
    text-shadow: 0 0 8px var(--asset-color);
}

.asset-remove {
    padding: 0.3rem 0.45rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s;
}

.asset-remove:hover {
    background: rgba(207, 34, 46, 0.3);
    color: var(--danger);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr !important;
    }

    .layout-controls {
        display: none;
    }

    .controls-section {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}