:root {
    --bg: #0b1220;
    --card: #121a2b;
    --line: #243049;
    --text: #e8eefc;
    --muted: #93a0bb;
    --green: #22c55e;
    --red: #ef4444;
    --accent: #3b82f6;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: radial-gradient(circle at top, #1a2744, var(--bg) 55%);
    color: var(--text);
}
.card, .shell {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
}
.card {
    width: min(420px, 92vw);
    margin: 12vh auto;
    padding: 32px;
}
.shell {
    width: min(1100px, 94vw);
    margin: 40px auto;
    padding: 28px;
}
.eyebrow { color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
h1 { margin: 8px 0 16px; }
.muted { color: var(--muted); }
label { display: block; margin: 14px 0 6px; font-size: 14px; }
input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: #0b1220;
    color: var(--text);
}
button, .btn {
    margin-top: 18px;
    display: inline-block;
    background: var(--accent);
    color: white;
    border: 0;
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    text-decoration: none;
}
.actions { display: flex; gap: 10px; align-items: center; }
.btn-ghost { background: transparent; border: 1px solid var(--line); }
.btn-go { background: var(--green); }
.btn-pause { background: #d97706; }
.btn-stop { background: var(--red); }
.actions .btn { margin-top: 0; }

/* --- Panel de control del bot --- */
.control-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 24px 0 28px;
    padding: 28px 24px;
    background: #0b1220;
    border: 1px solid var(--line);
    border-radius: 16px;
}
.bot-badge {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 32px;
    border-radius: 999px;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}
.bot-badge__dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background 0.25s, box-shadow 0.25s;
}
.bot-badge--active {
    background: rgba(34, 197, 94, 0.15);
    color: var(--green);
    border: 2px solid var(--green);
    box-shadow: 0 0 24px rgba(34, 197, 94, 0.25);
}
.bot-badge--active .bot-badge__dot {
    background: var(--green);
    box-shadow: 0 0 12px var(--green);
    animation: pulse-dot 1.8s ease-in-out infinite;
}
.bot-badge--off {
    background: rgba(239, 68, 68, 0.12);
    color: var(--red);
    border: 2px solid var(--red);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}
.bot-badge--off .bot-badge__dot {
    background: var(--red);
}
.bot-badge--loading {
    background: rgba(147, 160, 187, 0.1);
    color: var(--muted);
    border: 2px solid var(--line);
    box-shadow: none;
}
.bot-badge--loading .bot-badge__dot {
    background: var(--muted);
    animation: pulse-dot 0.9s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}
.power-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-width: 260px;
    padding: 18px 36px;
    margin-top: 0;
    border: 0;
    border-radius: 14px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    color: #fff;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
}
.power-btn:hover:not(:disabled) {
    transform: translateY(-2px);
}
.power-btn:active:not(:disabled) {
    transform: translateY(0);
}
.power-btn:disabled {
    opacity: 0.65;
    cursor: wait;
}
.power-btn--go {
    background: linear-gradient(180deg, #2dd46a 0%, #16a34a 100%);
    box-shadow: 0 6px 24px rgba(34, 197, 94, 0.35);
}
.power-btn--go:hover:not(:disabled) {
    box-shadow: 0 8px 28px rgba(34, 197, 94, 0.45);
}
.power-btn--stop {
    background: linear-gradient(180deg, #f87171 0%, #dc2626 100%);
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.35);
}
.power-btn--stop:hover:not(:disabled) {
    box-shadow: 0 8px 28px rgba(239, 68, 68, 0.45);
}
.power-btn--loading {
    background: #374151;
    box-shadow: none;
}
.power-btn__icon {
    font-size: 1.1rem;
    line-height: 1;
}
.control-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
    font-size: 0.9rem;
    color: var(--muted);
}
.control-meta span strong {
    color: var(--text);
}
.control-error {
    color: var(--red);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    min-height: 1.2em;
}
.scheduler-layers {
    margin: 0 0 20px;
    padding: 14px 16px;
    background: #0b1220;
    border: 1px solid var(--line);
    border-radius: 12px;
    font-size: 0.88rem;
    line-height: 1.6;
}
.layer-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}
.layer-chip {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 8px;
    background: #121a2b;
    border: 1px solid var(--line);
}
.layer-symbols {
    color: var(--muted);
}
.trading-mode {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 600;
}
.trading-mode--stocks {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #86efac;
}
.trading-mode--crypto {
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.35);
    color: #fcd34d;
}
.refresh-msg {
    margin: -8px 0 16px;
    font-size: 0.82rem;
}
.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.metric {
    background: #0b1220;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
}
.metric span { display: block; color: var(--muted); font-size: 12px; }
.metric strong { font-size: 22px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.verde { color: var(--green); font-weight: 700; }
.rojo { color: var(--red); font-weight: 700; }
.neutro { color: var(--muted); }
.error { color: var(--red); }
.hidden { display: none; }
.chart-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.chart-controls { display: flex; gap: 8px; align-items: center; }
.chart-controls select {
    background: #0b1220;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 10px;
}
#chart {
    width: 100%;
    height: 420px;
    margin: 12px 0 24px;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
}