/* ============================================================
   P2P Drop Radar — Estilos (tema oscuro tipo terminal financiera)
   Paleta: fondo casi negro, acentos verde fósforo y ámbar.
   Autocontenido: sin CDNs, sin fuentes externas.
   ============================================================ */

:root {
  --bg:        #0a0a0a;
  --bg-card:   #101512;
  --bg-card-2: #0d1210;
  --border:    #1c2b22;
  --green:     #00ff6a;
  --green-dim: #0a9c48;
  --amber:     #ffb000;
  --red:       #ff3b3b;
  --text:      #c8f7d8;
  --text-dim:  #5f7a6b;
  --mono: "Cascadia Code", "Consolas", "SF Mono", "Menlo", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  /* Rejilla sutil tipo terminal */
  background-image:
    radial-gradient(circle at 50% 0%, rgba(0,255,106,0.05), transparent 55%),
    linear-gradient(transparent 95%, rgba(0,255,106,0.03) 100%);
  padding-bottom: 72px; /* espacio para el aviso legal fijo */
}

/* ---------- Barra superior ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(0,255,106,0.04), transparent);
}
.brand { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand h1 {
  font-size: 20px;
  letter-spacing: 2px;
  margin: 0;
  color: var(--green);
  text-shadow: 0 0 12px rgba(0,255,106,0.4);
}
.brand-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse 2s infinite;
}
.pair { color: var(--text-dim); font-size: 13px; letter-spacing: 1px; }

.status-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
  background: var(--bg-card);
}
.status-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}
.status-pill.live .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-pill.demo .dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); }

/* ---------- Aviso legal ---------- */
.disclaimer {
  margin: 16px 24px 0;
  padding: 10px 16px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--text-dim);
  background: var(--bg-card-2);
}
.disclaimer strong { color: var(--amber); }

/* ---------- Rejilla principal ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
  opacity: .6;
}
.card-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-weight: 600;
}

.card-gauge { grid-column: 1; }
.card-chart { grid-column: 2; }
.card-metrics { grid-column: 1; }
.card-alerts { grid-column: 2; }

/* ---------- Gauge ---------- */
.gauge-wrap {
  position: relative;
  width: 240px; height: 240px;
  margin: 0 auto;
}
.gauge-center {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 46px; font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 16px rgba(0,255,106,0.5);
}
.gauge-unit { font-size: 22px; color: var(--text-dim); margin-left: 2px; }
.gauge-hint { text-align: center; color: var(--text-dim); font-size: 13px; margin: 10px 0 0; }

/* ---------- Gráfica ---------- */
#price-chart { width: 100%; height: auto; display: block; }
.chart-hint { color: var(--text-dim); font-size: 12px; margin: 8px 0 0; }

/* ---------- Métricas ---------- */
.metrics { list-style: none; margin: 0; padding: 0; }
.metrics li {
  display: flex; justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
}
.metrics li:last-child { border-bottom: none; }
.m-label { color: var(--text-dim); font-size: 13px; }
.m-value { color: var(--green); font-weight: 600; }

/* ---------- Alertas ---------- */
.alerts { list-style: none; margin: 0; padding: 0; max-height: 240px; overflow-y: auto; }
.alerts li {
  padding: 10px 12px;
  margin-bottom: 8px;
  border-left: 3px solid var(--green-dim);
  background: var(--bg-card-2);
  border-radius: 6px;
  font-size: 13px;
}
.alert-empty { color: var(--text-dim); border-left-color: var(--border) !important; }

/* ---------- Pie ---------- */
.footer {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1200px; margin: 20px auto 0; padding: 0 24px;
  color: var(--text-dim); font-size: 12px;
}
.footer a { color: var(--green-dim); text-decoration: none; }
.footer a:hover { color: var(--green); text-decoration: underline; }

/* ---------- Aviso legal fijo (siempre visible) ---------- */
.disclaimer-fixed {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 10px 20px;
  text-align: center;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
  background: rgba(6, 10, 8, 0.92);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--border);
}
.disclaimer-fixed::first-letter { color: var(--amber); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ---------- Responsive ---------- */
@media (max-width: 780px) {
  .grid { grid-template-columns: 1fr; }
  .card-gauge, .card-chart, .card-metrics, .card-alerts { grid-column: 1; }
  .brand h1 { font-size: 17px; }
}