* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f6fb;
  color: #18212f;
}

code {
  background: #eef2ff;
  border-radius: 4px;
  padding: 0.1rem 0.3rem;
}

.landing,
.app-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.landing {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
  padding: 24px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.page-header h1 {
  margin: 0 0 6px;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(360px, 420px) 1fr;
  gap: 16px;
}

.panel {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
  padding: 18px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.field label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: #3b4a63;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #c9d5e7;
  font-size: 14px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

button,
.primary-button,
.secondary-button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary,
.primary-button {
  background: #2563eb;
  color: #fff;
}

button.secondary,
.secondary-button {
  background: #e5e7eb;
  color: #111827;
}

button.warn {
  background: #ef4444;
  color: #fff;
}

.hint,
.status-line {
  color: #52627a;
  font-size: 13px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-width: 88px;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-weight: 600;
}

.status-box {
  background: #f8fafc;
  border-radius: 12px;
  padding: 14px;
  margin-top: 16px;
}

.status-box p {
  margin: 6px 0;
}

.ringing-panel {
  margin-top: 16px;
  border: 1px solid #c7d2fe;
  background: #eef2ff;
}

.ringing-panel[hidden] {
  display: none;
}

.rtc-panel {
  margin-top: 16px;
  border: 1px solid #c7d2fe;
  background: #f0fdf4;
}

.rtc-panel[hidden] {
  display: none;
}

.audio-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 0;
}

.audio-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 16px;
}

.indicator-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.indicator-circle.inactive {
  background: #e5e7eb;
  border: 3px solid #d1d5db;
}

.indicator-circle.active {
  background: #10b981;
  border: 3px solid #059669;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
  }
}

.indicator-label {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

.audio-info {
  font-size: 13px;
  color: #6b7280;
  margin: 0;
}

.log-panel {
  min-height: 560px;
  display: flex;
  flex-direction: column;
}

.log-view {
  flex: 1;
  margin: 0;
  background: #0f172a;
  color: #d6e3ff;
  border-radius: 12px;
  padding: 12px;
  overflow: auto;
  font: 12px/1.55 "SFMono-Regular", Consolas, monospace;
  white-space: pre-wrap;
}

@media (max-width: 900px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* 通话记录面板 */
.call-records-panel {
  grid-column: 1 / -1;
}

.records-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
}

.date-input {
  padding: 8px 12px;
  border: 1px solid #d7e3ff;
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
}

.records-table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.records-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}

.records-table thead {
  background: #f8fafc;
  border-bottom: 2px solid #e2e8f0;
}

.records-table th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: #475569;
}

.records-table td {
  padding: 10px 12px;
  border-top: 1px solid #e2e8f0;
  color: #1e293b;
}

.records-table tbody tr:hover {
  background: #f8fafc;
}

.records-table .empty-row td {
  text-align: center;
  color: #94a3b8;
  padding: 24px;
}

.records-table .duration {
  font-family: monospace;
  color: #64748b;
}

.records-table .status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-answered {
  background: #dcfce7;
  color: #166534;
}

.status-hangup {
  background: #fee2e2;
  color: #991b1b;
}

.status-error {
  background: #fef3c7;
  color: #92400e;
}

.status-calling,
.status-ringing {
  background: #dbeafe;
  color: #1e40af;
}

/* 通话时长列 */
.duration {
  font-weight: 600;
  color: #475569;
  text-align: center;
}