:root {
  --bg: #0f1412;
  --bg-2: #171e1b;
  --panel: #1c2621;
  --line: #2d3b34;
  --text: #e8f0ea;
  --muted: #8fa297;
  --accent: #c8f542;
  --accent-ink: #15200a;
  --danger: #ff6b4a;
  --ok: #3dd68c;
  --warn: #f0c75e;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(200, 245, 66, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(61, 214, 140, 0.08), transparent 50%),
    linear-gradient(180deg, #121916 0%, var(--bg) 40%, #0c100e 100%);
}

.hidden { display: none !important; }
.brand {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
}
h1, h2 {
  font-family: Syne, sans-serif;
  margin: 0.15rem 0 0;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; }
h2 { font-size: 1.05rem; font-weight: 700; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; }
.hint { color: var(--muted); font-size: 0.82rem; }
code {
  background: rgba(200, 245, 66, 0.1);
  color: var(--accent);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card, .app section, .stats article {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.login-card {
  width: min(420px, 100%);
  padding: 1.75rem;
  display: grid;
  gap: 0.85rem;
}
.login-card h1 { margin-bottom: 0.2rem; }

.app {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
  display: grid;
  gap: 1rem;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  flex-wrap: wrap;
}
.top-actions { display: flex; gap: 0.5rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
.stats article {
  padding: 1rem 1.1rem;
}
.stats span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stats strong {
  display: block;
  margin-top: 0.35rem;
  font-family: Syne, sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
}
.status-on { color: var(--ok); }
.status-off { color: var(--warn); }
.status-paused { color: #7eb6ff; }
.card.warn { border-color: color-mix(in srgb, var(--warn) 65%, var(--line)); }

.controls, .sound-bar, .columns > section, .app > section {
  padding: 1.1rem 1.2rem;
}
.control-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
input[type="password"],
input[type="number"],
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
}
input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: transparent;
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
button {
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
.primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.danger {
  background: var(--danger);
  color: #1a0905;
}
.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.sound-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}
.check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  font-size: 0.9rem;
}

.columns {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
.columns > section, .app > section { margin: 0; }
.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}
.list { display: grid; gap: 0.65rem; }
.card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  display: grid;
  gap: 0.45rem;
}
.card .num {
  font-family: Syne, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.card .meta { color: var(--muted); font-size: 0.82rem; }
.card .otp {
  font-size: 1.35rem;
  color: var(--accent);
  font-weight: 700;
}
.card .actions { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.card .actions button {
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
}
.events .card { padding: 0.7rem 0.85rem; }
.events .type {
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
}
.services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.55rem;
}
.svc {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  background: var(--bg-2);
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
}
.svc:hover { border-color: var(--accent); }
.svc strong { display: block; font-size: 0.9rem; margin-bottom: 0.25rem; }
.svc span { color: var(--muted); font-size: 0.75rem; }

@media (max-width: 860px) {
  .stats, .control-grid, .columns { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .stats, .control-grid, .columns { grid-template-columns: 1fr; }
}