/* ── CSS Variables (Dark Trading Theme) ─────────────────────────────────── */
:root {
    --bg:          #0d0d0d;
    --panel-bg:    #161616;
    --header-bg:   #111111;
    --border:      #2a2a2a;
    --text:        #e0e0e0;
    --text-dim:    #888;
    --accent:      #f0b90b;   /* yellow — trading terminal gold */
    --stop-color:  #e53935;
    --green:       #4caf50;
    --red:         #e53935;
    --input-bg:    #1e1e1e;
    --preset-active: #1e2d0d;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

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

.header-left  { display: flex; align-items: center; gap: 12px; }
.header-center{ flex: 1; text-align: center; }
.header-right { display: flex; align-items: center; gap: 16px; }

.app-title { font-size: 1.1rem; font-weight: 700; color: var(--accent); }

.profile-badge {
    background: #1a2a0a;
    border: 1px solid #4caf50;
    color: #4caf50;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 3px;
    letter-spacing: 1px;
}

.session-status {
    color: var(--text-dim);
    font-size: 0.85rem;
}
.session-status.active { color: var(--green); font-weight: 600; }
.session-status.stopped { color: var(--red); }

.health-row { display: flex; align-items: center; gap: 6px; }
.health-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--text-dim);
}
.health-dot.ok   { background: var(--green); }
.health-dot.fail { background: var(--red); }
.health-label { color: var(--text-dim); font-size: 0.75rem; }

/* ── STOP Button ─────────────────────────────────────────────────────────── */
.btn-stop {
    background: var(--stop-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: opacity 0.15s;
}
.btn-stop:hover  { opacity: 0.85; }
.btn-stop:active { transform: scale(0.97); }

.btn-logout {
    color: var(--text-dim);
    font-size: 0.8rem;
    text-decoration: none;
}
.btn-logout:hover { color: var(--text); }

/* ── Main layout ─────────────────────────────────────────────────────────── */
.main {
    max-width: 1100px;
    margin: 24px auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── Panel ───────────────────────────────────────────────────────────────── */
.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px;
}
.panel-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
    margin-bottom: 20px;
}

/* ── Metrics ─────────────────────────────────────────────────────────────── */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.metric { padding: 14px; background: var(--bg); border-radius: 4px; }
.metric-label { font-size: 0.72rem; color: var(--text-dim); margin-bottom: 6px; }
.metric-value { font-size: 1.2rem; font-weight: 700; }
.metric-value.loss { color: var(--red); }
.metric-value.small { font-size: 0.72rem; word-break: break-all; color: var(--text-dim); }

/* ── Settings ────────────────────────────────────────────────────────────── */
.settings-row { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 6px;
}
.form-group input {
    padding: 9px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.95rem;
    width: 220px;
}
.form-group input:focus { outline: none; border-color: var(--accent); }

/* ── Preset buttons ──────────────────────────────────────────────────────── */
.preset-row { margin-bottom: 20px; }
.preset-row > label { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 10px; display: block; }
.preset-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-preset {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text);
    padding: 10px 16px;
    cursor: pointer;
    text-align: left;
    line-height: 1.5;
    transition: border-color 0.15s;
    min-width: 170px;
}
.btn-preset small { color: var(--text-dim); font-size: 0.72rem; }
.btn-preset:hover { border-color: var(--accent); }
.btn-preset.active {
    border-color: var(--accent);
    background: var(--preset-active);
}

/* ── Action buttons ──────────────────────────────────────────────────────── */
.action-row { display: flex; gap: 12px; }

.btn-start {
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
}
.btn-start:hover { opacity: 0.85; }

.btn-end {
    background: #333;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 24px;
    font-size: 0.9rem;
    cursor: pointer;
}
.btn-end:hover { border-color: var(--text-dim); }

.session-message {
    margin-top: 14px;
    font-size: 0.82rem;
    color: var(--text-dim);
    min-height: 18px;
}
.session-message.ok    { color: var(--green); }
.session-message.error { color: var(--red); }

/* ── Watchlist table ─────────────────────────────────────────────────────── */
.watchlist-table {
    width: 100%;
    border-collapse: collapse;
}
.watchlist-table th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    padding: 0 12px 12px 0;
    border-bottom: 1px solid var(--border);
}
.watchlist-table td {
    padding: 11px 12px 11px 0;
    border-bottom: 1px solid #1e1e1e;
    font-size: 0.9rem;
}
.watchlist-table tr:last-child td { border-bottom: none; }
.loading { color: var(--text-dim); font-style: italic; padding: 20px 0; }

.toggle-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 10px;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-dim);
}
.toggle-btn.enabled  { border-color: var(--green); color: var(--green); }
.toggle-btn.disabled { border-color: #444; color: #444; }
.toggle-btn:hover { opacity: 0.8; }