/* VoiceFlow Core Styling */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --touch-target: 48px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: radial-gradient(1200px 700px at 15% -10%, var(--glow) 0%, transparent 70%), var(--bg);
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--accent);
}

.brand-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 750;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--raise);
  color: var(--muted);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-status.online .dot {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dim);
  display: inline-block;
}

/* Main Container */
.main-content {
  flex: 1;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Audio Visualization & Recording Hub */
.record-hub {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.waveform-canvas {
  width: 100%;
  height: 60px;
  display: block;
  opacity: 0.85;
}

/* Primary Record Button */
.mic-button-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mic-button {
  width: 80px;
  height: 80px;
  min-width: var(--touch-target);
  min-height: var(--touch-target);
  border-radius: 50%;
  border: none;
  background: var(--raise);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  border: 2px solid var(--line);
}

.mic-button:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--raise) 80%, var(--accent));
  border-color: var(--accent);
}

.mic-button:active {
  transform: scale(0.95);
}

.mic-button.recording {
  background: var(--bad);
  color: var(--ink);
  border-color: var(--bad);
  animation: pulse-border 1.5s infinite;
}

@keyframes pulse-border {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--bad) 70%, transparent); }
  70% { box-shadow: 0 0 0 16px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.mic-icon {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* Hub Controls */
.hub-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
}

.btn-chip {
  min-height: var(--touch-target);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: var(--raise);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 550;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
  user-select: none;
}

.btn-chip:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--raise) 80%, var(--accent));
  border-color: var(--accent);
}

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

.btn-chip.active {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
  font-weight: 650;
}

/* Live Text Editor Card */
.editor-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
  min-height: 280px;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
}

.editor-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.editor-metrics {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dictation-input {
  width: 100%;
  flex: 1;
  min-height: 200px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
  resize: vertical;
}

.dictation-input::placeholder {
  color: var(--dim);
}

/* Action Toolbar */
.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.btn-action {
  min-height: var(--touch-target);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--raise);
  color: var(--text);
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
}

.btn-action:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--raise) 75%, var(--accent));
  border-color: var(--accent);
}

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

.btn-action.primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}

.btn-action.primary:hover {
  background: var(--accent-hover);
}

.btn-action.success {
  background: var(--ok);
  color: var(--ink);
  border-color: var(--ok);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  animation: toast-in 0.25s ease-out;
  pointer-events: auto;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Reduced Motion Safety */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Mobile Screen Breakpoints */
@media (max-width: 640px) {
  .app-header {
    padding: 0.65rem 1rem;
  }
  .main-content {
    padding: 0.85rem;
  }
  .record-hub {
    padding: 1.15rem 0.85rem;
  }
  .action-toolbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }
  .btn-action {
    justify-content: center;
  }
}