:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --green: #22c55e;
  --green-hover: #16a34a;
  --red: #ef4444;
  --red-hover: #dc2626;
  --yellow: #eab308;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 540px;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

/* Заголовки */
h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
}

h2 {
  font-size: 22px;
  font-weight: 700;
}

p.subtitle {
  font-size: 16px;
  color: var(--text-muted);
}

/* Статусные плашки */
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 600;
  background: #334155;
  color: #e2e8f0;
  margin: 0 auto;
}

.status-badge.online {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-badge.offline {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
}

.status-dot.pulsing {
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Огромные кнопки для бабушки */
.giant-btn {
  width: 100%;
  min-height: 90px;
  font-size: 26px;
  font-weight: 800;
  border: none;
  border-radius: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transition: transform 0.15s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.giant-btn:active {
  transform: scale(0.97);
}

.giant-btn.btn-green {
  background-color: var(--green);
  color: #ffffff;
}
.giant-btn.btn-green:hover {
  background-color: var(--green-hover);
}

.giant-btn.btn-red {
  background-color: var(--red);
  color: #ffffff;
}
.giant-btn.btn-red:hover {
  background-color: var(--red-hover);
}

.giant-btn.btn-blue {
  background-color: var(--primary);
  color: #ffffff;
}
.giant-btn.btn-blue:hover {
  background-color: var(--primary-hover);
}

/* Анимация входящего звонка */
.incoming-call-box {
  animation: ring-shake 0.8s infinite alternate ease-in-out;
  padding: 10px;
}

@keyframes ring-shake {
  0% { transform: scale(1); }
  100% { transform: scale(1.04); }
}

/* Индикатор речи (Речевой круг) */
.voice-visualizer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin: 10px 0;
}

.voice-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  transition: all 0.1s ease;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
}

.voice-circle.speaking {
  background: var(--green);
  box-shadow: 0 0 0 20px rgba(34, 197, 94, 0.25), 0 0 0 40px rgba(34, 197, 94, 0.1);
  transform: scale(1.08);
}

.voice-label {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

/* Информационные плашки и подсказки */
.info-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 18px;
  text-align: left;
  font-size: 16px;
  line-height: 1.5;
}

.info-card strong {
  color: #ffffff;
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
}

.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.guide-step:last-child {
  margin-bottom: 0;
}

.guide-number {
  background: var(--primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

/* Вспомогательные элементы */
.hidden {
  display: none !important;
}

.row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.btn-secondary {
  background: #334155;
  color: var(--text-main);
  border: 1px solid var(--card-border);
  padding: 12px 18px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.2s;
  flex: 1;
}

.btn-secondary:hover {
  background: #475569;
}

/* Ссылка и QR код */
.link-box {
  background: #090d16;
  padding: 12px 16px;
  border-radius: 12px;
  font-family: monospace;
  font-size: 15px;
  color: #38bdf8;
  word-break: break-all;
  border: 1px dashed #334155;
}