:root {
  /* iOS-angelehnte Palette */
  --color-bg: #F2F2F7;           /* systemGroupedBackground */
  --color-card: #FFFFFF;
  --color-primary: #007AFF;      /* iOS Blau */
  --color-primary-dark: #0060DF;
  --color-danger: #FF3B30;       /* iOS Rot */
  --color-danger-dark: #D70015;
  --color-record: #FF3B30;
  --color-text: #1C1C1E;         /* label */
  --color-hint: #8E8E93;         /* secondaryLabel */
  --color-border: #E5E5EA;
  --radius: 14px;
  --radius-lg: 20px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font-family: -apple-system, "SF Pro Text", BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

.icon { width: 20px; height: 20px; flex-shrink: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
  gap: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  font-size: 1.05rem;
}
.brand .icon { color: var(--color-primary); }

.topbar nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.topbar nav a, .link-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--color-hint);
  text-decoration: none;
  font-size: 0.7rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 0;
  transition: color 0.15s ease;
}
.topbar nav a:hover, .topbar nav a:active,
.link-button:hover, .link-button:active {
  color: var(--color-primary);
}
.topbar nav a .icon, .link-button .icon { width: 22px; height: 22px; }

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
}

.centered {
  max-width: 420px;
  margin: 24px auto 0;
  text-align: center;
}

h1 { font-size: 1.4rem; margin-top: 0; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.05rem; margin-top: 32px; font-weight: 600; }

.hint { color: var(--color-hint); font-size: 0.9rem; }
.error { color: var(--color-danger); font-weight: 600; }
.success { color: #34C759; font-weight: 600; }

label { display: block; margin: 14px 0 6px; font-size: 0.85rem; color: var(--color-hint); text-align: left; }

input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 10px;
  font-size: 1rem;
}
input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  background: #E9E9EB;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  transition: transform 0.1s ease, opacity 0.1s ease;
}
button:active { transform: scale(0.97); opacity: 0.9; }

button.primary { background: var(--color-primary); color: white; }
button.danger { background: var(--color-danger); color: white; }
button.big { padding: 18px 24px; font-size: 1.1rem; width: 100%; margin-top: 12px; }
button.small { padding: 6px 12px; font-size: 0.8rem; }

/* ---- Aufnahme-Bühne ---- */

.record-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 28px 0 8px;
}

.mic-button {
  width: 168px;
  height: 168px;
  border-radius: 46px; /* Squircle-Look angelehnt an iOS App-Icons */
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,122,255,0.35);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  position: relative;
  padding: 0;
}
/* Wichtig: das hidden-Attribut muss display:flex zuverlässig überschreiben,
   sonst bleibt der Button (und damit die Puls-Animation) sichtbar/aktiv. */
.mic-button[hidden] {
  display: none;
}
.mic-button .icon { width: 64px; height: 64px; }
.mic-button:active { transform: scale(0.96); }

.mic-button.is-recording {
  background: var(--color-record);
  box-shadow: 0 10px 30px rgba(255,59,48,0.4);
  animation: heartbeat 1.1s ease-in-out infinite;
}

/* Pulsierende Ringe hinter dem Button während der Aufnahme */
.mic-button.is-recording::before,
.mic-button.is-recording::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--color-record);
  z-index: -1;
  animation: pulse-ring 1.1s ease-out infinite;
}
.mic-button.is-recording::after {
  animation-delay: 0.35s;
}

@keyframes heartbeat {
  0%   { transform: scale(1); }
  25%  { transform: scale(1.06); }
  40%  { transform: scale(1); }
  60%  { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: 0.45; }
  100% { transform: scale(1.7); opacity: 0; }
}

.record-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

#timer {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}
#status-text { color: var(--color-hint); font-size: 0.9rem; }

.record-controls {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  justify-content: center;
}

audio { width: 100%; margin: 14px 0; }

.recording-list { list-style: none; padding: 0; text-align: left; }

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.history-header h1 { margin-bottom: 0; }
.recording-item {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.recording-meta { display: flex; gap: 10px; align-items: baseline; margin-bottom: 4px; }

.admin-nav { display: flex; gap: 16px; margin-bottom: 20px; }
.admin-nav a { color: var(--color-primary); text-decoration: none; font-weight: 600; font-size: 0.9rem; }

.admin-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; background: var(--color-card); border-radius: var(--radius); overflow: hidden; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.inline-form { display: inline-flex; gap: 8px; align-items: center; }

.checkbox-label { display: flex; align-items: center; gap: 8px; }
.checkbox-label input { width: auto; }

.backup-list { list-style: none; padding: 0; }
.backup-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-card);
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.backup-list a { color: var(--color-primary); text-decoration: none; font-weight: 600; }

dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 22px;
  max-width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
dialog::backdrop { background: rgba(0,0,0,0.35); backdrop-filter: blur(2px); }

@media (prefers-reduced-motion: reduce) {
  .mic-button.is-recording,
  .mic-button.is-recording::before,
  .mic-button.is-recording::after {
    animation: none;
  }
}