/* ────────────────────────────────────────────── */
/* MA Simulator – Professional Dark Theme 2026     */
/* Gold/Amber accent – fintech/trading style       */
/* Smooth spinner + gradient hero title            */
/* ────────────────────────────────────────────── */

/* ── Root Variables ── */
:root {
    --bg-primary:    #0f172a;       /* deep dark background */
    --bg-secondary:  #1e293b;       /* main container / cards */
    --bg-tertiary:   #334155;       /* inputs, subtle cards, chart bg */
    --text-primary:  #f1f5f9;       /* main readable text */
    --text-secondary:#94a3b8;       /* labels, helpers, muted */
    --accent:        #f5c518;       /* softer professional gold */
    --accent-dark:   #d4a017;       /* hover / active */
    --success:       #10b981;       /* profit, wins */
    --danger:        #ef4444;       /* loss, drawdown */
    --border:        #475569;
    --border-light:  #334155;
    --chart-line: #f5c518;          /* gold line for chart */
    --chart-fill: rgba(245, 197, 24, 0.12); /* subtle gold fill */
}

/* ── Base ── */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

main {
    padding: 2rem 1rem;
    max-width: 1280px;
    margin: 0 auto;
    overflow-x: hidden; /* prevent horizontal scroll without breaking sticky header */
}

/* ── Hero ── */
.hero {
    text-align: center;
    padding: 5rem 1rem 6rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-bottom: 1px solid #334155;
    margin-bottom: 1.5rem;
}

.hero-content { max-width: 820px; margin: 0 auto; }

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.035em;
    margin-bottom: 1.25rem;
    /* subtle gold gradient */
    background: linear-gradient(90deg, #f5c518, #d4a017);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lead {
    font-size: 1.35rem;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-badges {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

.badge { 
    background: rgba(245, 197, 24, 0.18);
    color: var(--accent);
    padding: 0.55rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.98rem;
    font-weight: 500;
    border: 1px solid rgba(245, 197, 24, 0.35);
}

/* ── Simulator Container ── */
.simulator-container {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px -8px rgba(0,0,0,0.55);
}

/* ── Presets Section ── */
.presets-section {
    margin: 2.5rem 0 2rem;
    padding: 1.75rem;
    background: var(--bg-tertiary);
    border-radius: 1.25rem;
    border: 1px solid var(--border-light);
}

.presets-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.presets-header h3 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 700;
}

.presets-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.preset-card {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.22s ease;
}

.preset-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.4);
    border-color: var(--accent);
    background: #1e293b;
}

.preset-icon { font-size: 2.4rem; line-height: 1; }

.preset-info strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.preset-info span { color: var(--text-secondary); font-size: 0.95rem; }

/* ── Form ── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
    margin-top: 1.5rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.45rem; }

.form-group label {
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--text-primary);
}

.form-group input {
    padding: 0.85rem 1.1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1.05rem;
    transition: all 0.2s ease;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(245, 197, 24, 0.18);
}

.form-group small {
    font-size: 0.84rem;
    color: var(--text-secondary);
}

/* Primary Button */
.btn-primary {
    grid-column: 1 / -1;
    padding: 1.15rem 2rem;
    background-color: #f0c644;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    border-radius: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    transition: all 0.25s ease;
    width: 30%;           /* keep your preferred width */
    margin: 0 auto;       /* centers the button */
}


.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 197, 24, 0.4);
}

/* ── Loading ── */
.results-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    gap: 1.4rem;
    text-align: center;
}

.loading-visual {
    position: relative;
    width: 90px;
    height: 90px;
}

.spinner-ring {
    width: 90px;
    height: 90px;
    border: 6px solid rgba(245, 197, 24, 0.18);
    border-top: 6px solid var(--chart-line);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 15px rgba(245, 197, 24, 0.25);
}

.loading-text {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--chart-line);
}

.loading-sub { color: var(--text-secondary); font-size: 1rem; }

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ── Metrics Grid ── */
.metrics-big {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 2rem 0;
}

.metric-card {
    background-color: var(--bg-tertiary);
    padding: 1.4rem 1.6rem;
    border-radius: 1.1rem;
    border: 1px solid var(--border);
    transition: all 0.22s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.35);
}

.metric-card span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.metric-card strong {
    font-size: clamp(1.5rem, 4.5vw, 2rem);
    margin-top: 0.5rem;
    font-weight: 800;
    display: block;
}

/* Color overrides for key metrics */
.pnl-card.positive strong,
.pnl-card strong.positive { color: var(--success); }
.pnl-card.negative strong,
.pnl-card strong.negative { color: var(--danger); }
.dd-card strong           { color: var(--text-primary); }  /* Max Drawdown always white */
.win-card strong          { color: var(--success); font-weight: 800; }
.loss-card strong         { color: var(--danger);  font-weight: 800; }

/* ── Chart ── */
.chart-wrapper {
    margin: 2.5rem 0;
    background-color: var(--bg-tertiary);
    border-radius: 1.25rem;
    padding: 1.5rem;
    height: 420px;
    border: 1px solid var(--border);
}

.chart-wrapper-price {
    min-height: 540px;
    overflow: hidden;
    position: relative;
}

.chart-wrapper-price-inner {
    height: 480px;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.chart-wrapper-price-inner canvas {
    display: block;
    width: 100% !important;
    max-width: 100%;
}

.chart-wrapper .chart-title {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    text-align: center;
}

.chart-legend-note {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

/* Custom hover tooltip for entry/exit markers (not Chart.js built-in) */
.ma-trade-tooltip {
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    padding: 12px 14px;
    max-width: 320px;
    background: rgba(15, 23, 42, 0.98);
    color: #e2e8f0;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.5;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.ma-trade-tooltip-title {
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 6px;
    font-size: 13px;
}
.ma-trade-tooltip-line {
    margin-bottom: 2px;
}
.ma-trade-tooltip-line:last-child {
    margin-bottom: 0;
}

/* ── Trade log ── */
.trades-log-wrapper {
    margin: 2.5rem 0;
    background-color: var(--bg-tertiary);
    border-radius: 1.25rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.trades-log-scroll {
    overflow-x: auto;
    max-height: 320px;
    overflow-y: auto;
}

.trades-log {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.trades-log th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.trades-log td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.trades-log tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.trades-log .pnl-cell.positive { color: var(--success); font-weight: 600; }
.trades-log .pnl-cell.negative { color: var(--danger); font-weight: 600; }

/* ── Raw JSON ── */
.raw-details { margin-top: 2.5rem; }

.raw-details summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--accent);
    padding: 1rem 0;
    font-size: 1.1rem;
}

#raw-json {
    background-color: #0f172a;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 1rem;
    font-size: 0.92rem;
    overflow-x: auto;
    max-height: 420px;
    border: 1px solid #334155;
}

/* ── No Results ── */
#no-results {
    padding: 5rem 1rem;
    text-align: center;
    color: var(--text-secondary);
}

#no-results i {
    font-size: 4.5rem;
    opacity: 0.5;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .simulator-container { padding: 2rem; }
    .chart-wrapper { height: 380px; }
}

@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; gap: 1.6rem; }
    main { padding: 1.5rem 1rem; }
    .metrics-big { grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
    .preset-grid { gap: 1rem; }
    .hero { padding: 4rem 1rem 5rem; }
}

@media (max-width: 480px) {
    .metrics-big { grid-template-columns: 1fr; }
}