:root {
  --bg: #0a0e1a;
  --panel: #131927;
  --border: #1f2638;
  --ink-0: #f5f7ff;
  --ink-1: #c8d0e6;
  --ink-2: #6b7280;
  --gold: #d4b866;
  --green: #4ade80;
  --red: #f87171;
  --blue: #60a5fa;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--ink-1);
  font-family: var(--font);
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

#app {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100vh;
  max-width: 380px;
  margin: 0 auto;
}

header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--ink-0); }
.logo svg { color: var(--gold); }

.status {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}
.status.ok { color: var(--green); }
.status.err { color: var(--red); }

main {
  flex: 1;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

input[type="tel"] {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--ink-0);
  padding: 14px 16px;
  font-size: 18px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  border-radius: 8px;
  width: 100%;
  text-align: center;
  letter-spacing: 1px;
}
input[type="tel"]:focus { outline: none; border-color: var(--gold); }

.actions { display: flex; gap: 8px; }
button {
  flex: 1;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s;
}
button:disabled { opacity: 0.4; cursor: not-allowed; }

.primary {
  background: linear-gradient(180deg, #4ade80, #16a34a);
  color: #0a0e1a;
}
.primary:not(:disabled):hover { filter: brightness(1.1); }

.danger {
  background: #dc2626;
  color: white;
}
.danger:hover { background: #ef4444; }

.ghost {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--ink-1);
}
.ghost:hover { border-color: var(--ink-2); }
.ghost.active { background: var(--gold); color: var(--bg); border-color: var(--gold); }

.call-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}
.hidden { display: none !important; }

.call-info { text-align: center; display: flex; flex-direction: column; gap: 6px; }
.call-number {
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 18px;
  color: var(--ink-0);
  letter-spacing: 1px;
}
.call-state {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
}
.call-state.active { color: var(--green); }
.call-state.ended { color: var(--ink-2); }
.call-timer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  color: var(--gold);
  font-weight: 300;
  margin-top: 4px;
}

.call-actions { display: flex; gap: 8px; width: 100%; }
.call-actions button { padding: 12px; }

.error {
  padding: 10px 14px;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--red);
  border-radius: 6px;
  font-size: 12px;
}

footer {
  padding: 12px 18px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.powered { font-size: 10px; color: var(--ink-2); letter-spacing: 0.08em; text-transform: uppercase; }