/* ===== Base ===== */
:root {
  --bg: #0b1220;
  --panel: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --brand: #06b6d4;
  --primary: #2563eb;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* ===== Layout ===== */
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.appbar h1 {
  margin: 0;
  font-size: 24px;
  color: var(--brand);
}

.appbar .left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-logo {
  height: 22px;
  width: auto;
  opacity: 0.9;
  filter: drop-shadow(0 0 0 transparent);
}

.brand-link {
  font-size: 12px;
  font-weight: 600;
  color: #38bdf8;
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 999px;
  transition: color .2s, border-color .2s, background .2s;
  line-height: 1;
}
.brand-link:hover {
  color: var(--brand);
  border-color: #334155;
  background: rgba(56, 189, 248, .08);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.label {
  font-size: 12px;
  color: var(--muted);
}

.val {
  font-size: 22px;
  font-weight: 700;
  margin-top: 6px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* ===== Inputs & Buttons ===== */
input, button, select {
  border-radius: 10px;
  border: 1px solid #334155;
  padding: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

button {
  background: var(--primary);
  border: 0;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  border: 1px solid #334155;
}

/* Idioma (con banderas) */
#langToggle {
  font-weight: 600;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 6px 12px;
  transition: background .3s, color .3s;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}
#langToggle .flag {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
  vertical-align: middle;
}
#langToggle.lang-es {
  background: #16a34a;
  color: #fff;
  border-color: #16a34a;
}
#langToggle.lang-en {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

/* ===== Misc ===== */
pre {
  white-space: pre-wrap;
  font-size: 12px;
  color: #cbd5e1;
  background: #0b1020;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin: 0;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  margin: 2px;
  color: #fff;
}
.badge.ok { background: #16a34a; }
.badge.warn { background: #3b82f6; }
.badge.critical { background: #ef4444; }

.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  margin: 6px 0;
}
.item .meta {
  color: var(--muted);
  font-size: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  border-bottom: 1px solid var(--border);
  padding: 6px 4px;
  text-align: left;
  font-size: 12px;
}
th {
  color: var(--muted);
  font-weight: 600;
}

.chip {
  border: 1px solid #334155;
  border-radius: 999px;
  padding: 6px 10px;
}

/* ===== EKG decorativo ===== */
.ekg-card {
  background: linear-gradient(180deg, #0d1526 0%, #0a1120 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px 6px;
  margin-top: 12px;
  overflow: hidden;
}
.ekg-label {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: .02em;
}
.ekg-viewport {
  height: 56px;
  overflow: hidden;
  border-radius: 10px;
  background:
    radial-gradient(ellipse at center, rgba(34,211,238,.06) 0%, rgba(0,0,0,0) 70%),
    linear-gradient(transparent 23px, rgba(148,163,184,.08) 24px, transparent 25px),
    linear-gradient(90deg, transparent 39px, rgba(148,163,184,.06) 40px, transparent 41px);
  background-size: 100% 100%, 100% 25px, 40px 100%;
  position: relative;
}
.ekg-svg { width: 200%; height: 100%; display: block; }
.ekg-line { stroke-linejoin: round; stroke-linecap: round; }
.ekg-strip { animation: ekg-scroll 6s linear infinite; will-change: transform; }

@keyframes ekg-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .ekg-strip { animation: none; }
}

/* Colores por estado (aplicados desde JS) */
.ekg-svg.ok .ekg-line { stroke: url(#ekg-grad-ok); }
.ekg-svg.warn .ekg-line { stroke: url(#ekg-grad-warn); }
.ekg-svg.critical .ekg-line { stroke: url(#ekg-grad-critical); }
.ekg-svg.offline path { stroke:#64748b; opacity:.4; }

/* ===== Responsive ===== */
@media (max-width: 520px) {
  .appbar .left { gap: 8px; }
  .brand-logo { height: 30px; }
  .brand-link { font-size: 11px; padding: 3px 7px; }
  .grid { grid-template-columns: 1fr; }
}