/* ===================================================================
   ATQAN — frontend/css/features/recorder.css
   Material 3 Intelligent Voice Capture & Tonal Controls
   =================================================================== */

.m3-tonal-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background-color: var(--md-surface-low);
  border: none;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  transition: var(--transition);
}

.m3-tonal-banner.recording-active {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: var(--md-primary);
}

.m3-tonal-banner.recording-active .material-symbols-rounded {
  color: var(--md-primary);
}

.m3-tonal-banner p {
  font-size: var(--md-type-title-small-size);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--md-type-title-small-ls);
  line-height: var(--md-type-title-small-lh);
}

.rec-indicator-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.rec-dot {
  width: 12px;
  height: 12px;
  background-color: var(--md-error);
  border-radius: var(--radius-full);
  animation: rec-pulse 1.2s infinite ease-in-out;
}

@keyframes rec-pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.rec-label {
  font-size: var(--md-type-label-large-size);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--md-type-label-large-ls);
  line-height: var(--md-type-label-large-lh);
  color: var(--md-text);
}

#vad-meter {
  width: 100%;
  height: 8px;
  background-color: var(--md-surface-low);
  border-radius: var(--radius-full);
  border: none;
  margin-bottom: 24px;
  overflow: hidden;
}

#vad-meter-fill {
  width: 0%;
  height: 100%;
  background-color: var(--md-primary);
  transition: width var(--md-motion-duration-short) var(--md-motion-easing-standard);
  border-radius: var(--radius-full);
}

.m3-error-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
  border: none;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  font-size: var(--md-type-body-medium-size);
  font-weight: 600;
  margin-bottom: 32px;
  box-shadow: var(--elevation-1);
}

.m3-error-card {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
  border: none;
  padding: 32px;
  border-radius: var(--radius-xl);
  text-align: center;
  margin-top: 24px;
  margin-bottom: 32px;
  box-shadow: var(--elevation-2);
}

.error-icon {
  font-size: 44px;
  color: var(--md-error);
  margin-bottom: 16px;
}

.m3-error-card h3 {
  font-size: var(--md-type-title-large-size);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--md-type-title-large-ls);
  line-height: var(--md-type-title-large-lh);
  margin-bottom: 12px;
}

.m3-error-card p {
  font-size: var(--md-type-body-medium-size);
  line-height: var(--md-type-body-medium-lh);
  margin-bottom: 24px;
  opacity: 0.9;
}

.fab-wrapper {
  display: flex;
  justify-content: center;
  position: relative;
  padding: 12px;
}

.m3-fab {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-full);
  background-color: #E0E0E0 !important;
  color: #616161 !important;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--elevation-2);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

:root[data-theme="dark"] .m3-fab {
  background-color: #424242 !important;
  color: #B0B0B0 !important;
}

/* Beautiful breathing animation behind the active FAB */
.m3-fab::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 0 var(--md-fab-glow-color);
  transition: var(--transition);
  z-index: -1;
}

.mushaf-container.recording-active ~ .fab-wrapper .m3-fab::before {
  animation: fab-breathe 1.5s infinite ease-in-out;
}

@keyframes fab-breathe {
  0% { box-shadow: 0 0 0 0 var(--md-fab-glow-color); }
  70% { box-shadow: 0 0 0 16px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.m3-fab .material-symbols-rounded {
  font-size: 32px;
  transition: var(--transition);
}

.m3-fab:disabled {
  background-color: #E0E0E0 !important;
  color: #BDBDBD !important;
  cursor: not-allowed;
  box-shadow: none !important;
  opacity: 0.5 !important;
}

:root[data-theme="dark"] .m3-fab:disabled {
  background-color: #333333 !important;
  color: #555555 !important;
  opacity: 0.5 !important;
}

.m3-fab:hover:not(:disabled) {
  background-color: #D5D5D5 !important;
  color: #616161 !important;
  transform: scale(1.06);
  box-shadow: var(--elevation-2);
}

:root[data-theme="dark"] .m3-fab:hover:not(:disabled) {
  background-color: #4F4F4F !important;
  color: #E0E0E0 !important;
  transform: scale(1.06);
  box-shadow: var(--elevation-2);
}

.m3-fab:active:not(:disabled) {
  transform: scale(0.94);
}

/* Red Recording State override */
.mushaf-container.recording-active ~ .fab-wrapper .m3-fab {
  background-color: #BA1A1A !important;
  color: #FFFFFF !important;
  border-radius: var(--radius-full);
}

.mushaf-container.recording-active ~ .fab-wrapper .m3-fab::before {
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 0 var(--md-error-glow-color);
  animation: fab-breathe-red 1.5s infinite ease-in-out;
}

@keyframes fab-breathe-red {
  0% { box-shadow: 0 0 0 0 var(--md-error-glow-color); }
  70% { box-shadow: 0 0 0 18px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.mushaf-container.recording-active {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 1px var(--md-primary), var(--elevation-2);
}

#review-tracks-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.review-track-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background-color: var(--md-surface-low);
  border: none;
  border-radius: var(--radius-lg);
  gap: 16px;
  transition: var(--transition);
}

.review-track-row:hover {
  border-color: var(--md-primary);
  background-color: var(--md-surface-high);
}

.review-track-label {
  font-size: var(--md-type-label-large-size);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--md-text);
  letter-spacing: var(--md-type-label-large-ls);
  line-height: var(--md-type-label-large-lh);
}

.review-track-row audio {
  height: 36px;
  max-width: 280px;
  border-radius: var(--radius-full);
}

/* Voice Checking Loader Styles */
#voice-checking-loader {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  transition: opacity 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.voice-checking-label {
  font-size: var(--md-type-label-large-size);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--md-type-label-large-ls);
  color: var(--md-primary);
  text-align: center;
}

.md3-linear-progress.indeterminate {
  height: 4px;
  width: 100%;
  position: relative;
  overflow: hidden;
  background-color: var(--md-surface-low);
  border-radius: var(--radius-full);
}

.md3-linear-fill-indeterminate {
  position: absolute;
  top: 0; bottom: 0; left: 0; right: 0;
  background-color: var(--md-primary);
  border-radius: var(--radius-full);
}

.md3-linear-fill-indeterminate::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0; right: 0;
  background-color: inherit;
  animation: md3-linear-indeterminate-1 2s infinite cubic-bezier(0.2, 0, 0, 1);
}

.md3-linear-fill-indeterminate::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0; right: 0;
  background-color: inherit;
  animation: md3-linear-indeterminate-2 2s infinite cubic-bezier(0.2, 0, 0, 1);
}

@keyframes md3-linear-indeterminate-1 {
  0% {
    left: -35%;
    right: 100%;
  }
  60% {
    left: 100%;
    right: -90%;
  }
  100% {
    left: 100%;
    right: -90%;
  }
}

@keyframes md3-linear-indeterminate-2 {
  0% {
    left: -200%;
    right: 100%;
  }
  60% {
    left: -200%;
    right: 100%;
  }
  100% {
    left: 107%;
    right: -8%;
  }
}

/* Phase 2: Recording Active Pulse Style */
.m3-fab.recording {
  background-color: #BA1A1A !important;
  color: #FFFFFF !important;
  animation: mic-recording-pulse 1.8s infinite cubic-bezier(0.2, 0, 0, 1) !important;
  box-shadow: 0 0 20px rgba(186, 26, 26, 0.4) !important;
}

@keyframes mic-recording-pulse {
  0%, 100% {
    transform: scale(1.0);
  }
  50% {
    transform: scale(1.08);
  }
}

/* Phase 3: Concentric Geometric Morphing Waves */
.fab-wave-layer {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 76px;
  height: 76px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  display: none;
}

.m3-fab.processing ~ .fab-wave-layer {
  display: block;
}

.fab-wave {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 2px solid #2196F3;
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(33, 150, 243, 0.3);
  opacity: 0;
  transform: scale(1);
}

.m3-fab.processing ~ .fab-wave-layer .fab-wave:nth-child(1) {
  animation: circular-ripple-wave 2s infinite cubic-bezier(0.2, 0, 0, 1);
}

.m3-fab.processing ~ .fab-wave-layer .fab-wave:nth-child(2) {
  animation: circular-ripple-wave 2s infinite cubic-bezier(0.2, 0, 0, 1);
  animation-delay: 1s;
}

@keyframes circular-ripple-wave {
  0% {
    transform: scale(1.0);
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

.m3-fab.processing {
  background-color: #ECEFF1 !important;
  color: #1976D2 !important;
  box-shadow: 0 0 12px rgba(33, 150, 243, 0.2) !important;
  animation: mic-loading-pulse 1.5s infinite ease-in-out !important;
}

:root[data-theme="dark"] .m3-fab.processing {
  background-color: #37474F !important;
  color: #90CAF9 !important;
  box-shadow: 0 0 12px rgba(144, 202, 249, 0.2) !important;
  animation: mic-loading-pulse 1.5s infinite ease-in-out !important;
}

@keyframes mic-loading-pulse {
  0%, 100% { transform: scale(1.0); }
  50% { transform: scale(1.04); }
}

.m3-fab.processing .material-symbols-rounded {
  display: flex !important;
}

/* Inline Error Alert Box M3 compact design */
.m3-inline-alert {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--md-error-container) !important;
  color: var(--md-on-error-container) !important;
  padding: 0px 20px;
  border-radius: var(--radius-full);
  font-family: 'Inter', sans-serif !important;
  font-size: 13px;
  font-weight: 600;
  margin: 0 auto;
  max-width: 320px;
  width: fit-content;
  border: 1px solid rgba(186, 26, 26, 0.1);
  box-shadow: 0 4px 12px rgba(186, 26, 26, 0.08);
  opacity: 0;
  transform: translateY(-8px) scale(0.95);
  transition: opacity 0.3s cubic-bezier(0.22, 1, 0.36, 1), transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), max-height 0.3s cubic-bezier(0.22, 1, 0.36, 1), margin 0.3s cubic-bezier(0.22, 1, 0.36, 1), padding 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  max-height: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 10;
}

.m3-inline-alert.show-alert {
  opacity: 1;
  transform: translateY(0) scale(1);
  max-height: 80px;
  padding: 10px 20px;
  margin: 8px auto 16px auto;
  pointer-events: auto;
}

.m3-inline-alert.hide {
  display: none !important;
}

.m3-inline-alert .material-symbols-rounded {
  color: var(--md-error);
  font-size: 18px;
}

/* Red Acoustic Error Highlight for Mushaf Verses */
.mushaf-ayat.active.has-error {
  background-color: var(--md-error-container) !important;
  color: var(--md-on-error-container) !important;
  opacity: 1;
}

/* Force Inter Font Family for Welcome and Success pages */
#card-welcome, #submit-success, #card-welcome *, #submit-success * {
  font-family: 'Inter', sans-serif !important;
}

/* Concentric Waveform Visualizer Styles */
.fab-canvas-container {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.mushaf-container.recording-active ~ .fab-wrapper .fab-canvas-container {
  display: block !important;
}

#waveform-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* AI Background Glow specifically inside #card-mushaf */
#card-mushaf {
  position: relative;
  overflow: hidden; /* prevents glow from spilling outside the card boundary */
}

#card-mushaf::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.07) 0%, rgba(16, 185, 129, 0.02) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform-origin: center center;
  animation: ai-background-glow 20s infinite linear;
}

/* Ensure all direct children of #card-mushaf are above the background glow and readable */
#card-mushaf > * {
  position: relative;
  z-index: 1;
}

@keyframes ai-background-glow {
  0% {
    transform: rotate(0deg) translate(0, 0) scale(1);
  }
  33% {
    transform: rotate(120deg) translate(15px, -10px) scale(1.08);
  }
  66% {
    transform: rotate(240deg) translate(-10px, 15px) scale(0.95);
  }
  100% {
    transform: rotate(360deg) translate(0, 0) scale(1);
  }
}