/* =============================================
   閃念筆記 — Manga-Themed Design System
   ============================================= */

:root {
  --bg-paper: #FAF7F0;
  --bg-dark: #1A1A1A;
  --ink-black: #1A1A1A;
  --ink-gray: #4A4A4A;
  --ink-light: #8A8A8A;
  --accent-red: #E63946;
  --accent-red-dark: #C42D39;
  --white: #FFFFFF;
  --border-thick: 3px;
  --border-thin: 2px;
  --radius-panel: 4px;
  --shadow-manga: 4px 4px 0px var(--ink-black);
  --shadow-manga-sm: 2px 2px 0px var(--ink-black);
  --font-manga: 'M PLUS Rounded 1c', 'Noto Sans TC', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-manga);
  background-color: var(--bg-paper);
  color: var(--ink-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Halftone dot overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, rgba(26, 26, 26, 0.04) 1px, transparent 1px);
  background-size: 8px 8px;
  pointer-events: none;
  z-index: 0;
}

/* ---- Screen System ---- */
.screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  flex-direction: column;
  z-index: 1;
  background-color: var(--bg-paper);
}

.screen.active {
  display: flex;
  animation: panelFlipIn 0.35s ease-out;
}

@keyframes panelFlipIn {
  0% {
    opacity: 0;
    transform: scale(0.95) rotate(-1deg);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* =============================================
   LOCK SCREEN
   ============================================= */
.lock-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.manga-burst {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.app-logo {
  font-size: 3.5rem;
  z-index: 2;
  animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

.speed-lines {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%);
  background: repeating-conic-gradient(transparent 0deg,
      transparent 8deg,
      rgba(26, 26, 26, 0.06) 8deg,
      rgba(26, 26, 26, 0.06) 10deg);
  border-radius: 50%;
  animation: speedSpin 20s linear infinite;
}

@keyframes speedSpin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.title-manga {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--ink-black);
  text-shadow: 2px 2px 0px var(--accent-red);
  margin-bottom: 0.25rem;
}

.subtitle {
  font-size: 0.95rem;
  color: var(--ink-gray);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

/* PIN Display */
.pin-display {
  display: flex;
  gap: 16px;
  margin-bottom: 2rem;
}

.pin-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: var(--border-thick) solid var(--ink-black);
  background: transparent;
  transition: all var(--transition-fast);
}

.pin-dot.filled {
  background: var(--ink-black);
  transform: scale(1.15);
}

.pin-dot.error {
  border-color: var(--accent-red);
  background: var(--accent-red);
  animation: pinShake 0.4s ease;
}

@keyframes pinShake {

  0%,
  100% {
    transform: translateX(0);
  }

  20%,
  60% {
    transform: translateX(-6px);
  }

  40%,
  80% {
    transform: translateX(6px);
  }
}

/* PIN Pad */
.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 280px;
  width: 100%;
}

.pin-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: var(--border-thick) solid var(--ink-black);
  background: var(--white);
  font-family: var(--font-manga);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-black);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-manga-sm);
  place-self: center;
  -webkit-tap-highlight-color: transparent;
}

.pin-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.pin-btn-empty {
  visibility: hidden;
}

.pin-btn-delete {
  font-size: 1.3rem;
  border-color: var(--ink-gray);
  color: var(--ink-gray);
  box-shadow: 2px 2px 0px var(--ink-gray);
}

.sfx-text {
  position: absolute;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--accent-red);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.sfx-text.show {
  opacity: 1;
  animation: sfxPop 0.6s ease forwards;
}

@keyframes sfxPop {
  0% {
    transform: scale(0.5) rotate(-10deg);
    opacity: 0;
  }

  50% {
    transform: scale(1.3) rotate(5deg);
    opacity: 1;
  }

  100% {
    transform: scale(1) rotate(0deg);
    opacity: 0;
  }
}

#lock-sfx {
  bottom: 15%;
  right: 15%;
}

/* =============================================
   HOME SCREEN
   ============================================= */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  padding-top: max(1rem, env(safe-area-inset-top, 1rem));
  border-bottom: var(--border-thick) solid var(--ink-black);
  background: var(--white);
  z-index: 10;
}

.header-title {
  font-size: 1.35rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lightning {
  display: inline-block;
  animation: lightningFlicker 3s ease-in-out infinite;
}

@keyframes lightningFlicker {

  0%,
  90%,
  100% {
    opacity: 1;
  }

  92%,
  98% {
    opacity: 0.3;
  }
}

.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: var(--border-thin) solid var(--ink-black);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-icon:active {
  transform: scale(0.92);
}

/* Notes Container */
.notes-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  padding-bottom: 100px;
  -webkit-overflow-scrolling: touch;
}

/* Empty State */
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60%;
}

.speech-bubble {
  position: relative;
  background: var(--white);
  border: var(--border-thick) solid var(--ink-black);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-manga);
  max-width: 300px;
  transform: rotate(-1deg);
}

.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 40px;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 20px solid var(--ink-black);
}

.speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 42px;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 17px solid var(--white);
  z-index: 1;
}

.speech-bubble p {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.speech-sub {
  font-size: 0.85rem !important;
  font-weight: 400 !important;
  color: var(--ink-gray);
}

/* Note Cards */
.note-card {
  background: var(--white);
  border: var(--border-thick) solid var(--ink-black);
  border-radius: var(--radius-panel);
  padding: 1rem 1.25rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-manga);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.note-card:nth-child(odd) {
  transform: rotate(0.5deg);
}

.note-card:nth-child(even) {
  transform: rotate(-0.3deg);
}

.note-card:active {
  transform: translate(2px, 2px) rotate(0deg) !important;
  box-shadow: 1px 1px 0px var(--ink-black);
}

.note-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.note-card-date {
  font-size: 0.8rem;
  color: var(--ink-light);
  font-weight: 700;
}

.note-card-duration {
  font-size: 0.75rem;
  color: var(--white);
  background: var(--ink-black);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
}

.note-card-text {
  font-size: 0.95rem;
  color: var(--ink-gray);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-card-text.empty {
  font-style: italic;
  color: var(--ink-light);
}

/* Manga panel decoration on cards */
.note-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: repeating-linear-gradient(45deg,
      transparent,
      transparent 2px,
      rgba(26, 26, 26, 0.06) 2px,
      rgba(26, 26, 26, 0.06) 4px);
}

/* ---- Record FAB ---- */
.record-fab {
  position: fixed;
  bottom: max(2rem, calc(env(safe-area-inset-bottom, 0px) + 1.5rem));
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: var(--border-thick) solid var(--ink-black);
  background: var(--accent-red);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--ink-black);
  transition: all var(--transition-fast);
  z-index: 20;
  -webkit-tap-highlight-color: transparent;
  overflow: visible;
}

.record-fab:active {
  transform: translateX(-50%) translate(3px, 3px);
  box-shadow: 1px 1px 0px var(--ink-black);
}

.record-fab .mic-icon {
  z-index: 2;
}

.fab-burst {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.record-fab:hover .fab-burst {
  opacity: 1;
}

.sfx-record {
  position: absolute;
  top: -10px;
  right: -20px;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--accent-red);
  opacity: 0;
  pointer-events: none;
  z-index: 3;
}

.sfx-record.show {
  animation: sfxPop 0.6s ease forwards;
}

/* =============================================
   RECORDING SCREEN
   ============================================= */
.recording-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
}

.recording-burst {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.recording-lines {
  width: 100% !important;
  height: 100% !important;
  transform: none !important;
  position: absolute;
  top: 0;
  left: 0;
  background: repeating-conic-gradient(transparent 0deg,
      transparent 6deg,
      rgba(230, 57, 70, 0.04) 6deg,
      rgba(230, 57, 70, 0.04) 8deg) !important;
  animation: speedSpin 30s linear infinite;
}

.recording-visual {
  position: relative;
  z-index: 2;
  margin-bottom: 2rem;
}

.sound-wave {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100px;
}

.sound-wave span {
  width: 6px;
  background: var(--accent-red);
  border-radius: 3px;
  height: 20px;
  animation: waveBar 0.8s ease-in-out infinite;
}

.sound-wave span:nth-child(1) {
  animation-delay: 0s;
}

.sound-wave span:nth-child(2) {
  animation-delay: 0.1s;
}

.sound-wave span:nth-child(3) {
  animation-delay: 0.2s;
}

.sound-wave span:nth-child(4) {
  animation-delay: 0.3s;
}

.sound-wave span:nth-child(5) {
  animation-delay: 0.4s;
}

.sound-wave span:nth-child(6) {
  animation-delay: 0.5s;
}

.sound-wave span:nth-child(7) {
  animation-delay: 0.6s;
}

.sound-wave span:nth-child(8) {
  animation-delay: 0.7s;
}

.sound-wave span:nth-child(9) {
  animation-delay: 0.8s;
}

.sound-wave span:nth-child(10) {
  animation-delay: 0.9s;
}

@keyframes waveBar {

  0%,
  100% {
    height: 20px;
  }

  50% {
    height: 80px;
  }
}

.recording-timer {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  z-index: 2;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.recording-sfx {
  z-index: 2;
  position: relative;
  font-size: 1.5rem;
  color: var(--accent-red);
  opacity: 0.6;
  margin-bottom: 3rem;
  animation: sfxFloat 3s ease-in-out infinite;
}

@keyframes sfxFloat {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.4;
  }

  50% {
    transform: translateY(-10px) rotate(3deg);
    opacity: 0.8;
  }
}

.recording-actions {
  display: flex;
  gap: 2rem;
  z-index: 2;
}

.btn-recording-cancel,
.btn-recording-stop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-manga);
  font-size: 0.85rem;
  font-weight: 700;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-fast);
}

.btn-recording-cancel:active,
.btn-recording-stop:active {
  transform: scale(0.9);
}

.btn-recording-cancel svg {
  width: 56px;
  height: 56px;
  padding: 16px;
  border: var(--border-thick) solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.btn-recording-stop .stop-icon {
  width: 56px;
  height: 56px;
  border: var(--border-thick) solid var(--accent-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.btn-recording-stop .stop-icon::after {
  content: '';
  width: 22px;
  height: 22px;
  background: var(--accent-red);
  border-radius: 4px;
}

/* =============================================
   DETAIL SCREEN
   ============================================= */
.detail-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  padding-top: max(1rem, env(safe-area-inset-top, 1rem));
  border-bottom: var(--border-thick) solid var(--ink-black);
  background: var(--white);
  gap: 1rem;
}

.btn-back {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: var(--border-thin) solid var(--ink-black);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.btn-back:active {
  transform: scale(0.92);
}

.detail-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 900;
}

.btn-delete {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.25rem;
  -webkit-overflow-scrolling: touch;
}

.detail-panel {
  background: var(--white);
  border: var(--border-thick) solid var(--ink-black);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-manga);
  padding: 1.5rem;
  transform: rotate(-0.5deg);
}

.detail-meta {
  font-size: 0.85rem;
  color: var(--ink-light);
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--ink-light);
}

.detail-audio {
  margin-bottom: 1.5rem;
}

.detail-audio audio {
  width: 100%;
  border-radius: 8px;
}

.detail-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--ink-black);
  margin-bottom: 0.5rem;
}

.detail-textarea {
  width: 100%;
  min-height: 120px;
  border: var(--border-thin) solid var(--ink-black);
  border-radius: var(--radius-panel);
  padding: 1rem;
  font-family: var(--font-manga);
  font-size: 0.95rem;
  color: var(--ink-black);
  background: var(--bg-paper);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast);
}

.detail-textarea:focus {
  border-color: var(--accent-red);
}

.btn-save-note {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.85rem;
  border: var(--border-thick) solid var(--ink-black);
  border-radius: var(--radius-panel);
  background: var(--ink-black);
  color: var(--white);
  font-family: var(--font-manga);
  font-size: 1rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: var(--shadow-manga-sm);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-save-note:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink-black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-family: var(--font-manga);
  font-size: 0.9rem;
  font-weight: 700;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 2px solid var(--accent-red);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- Header Actions ---- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Detail Actions Row ---- */
.detail-actions-row {
  display: flex;
  gap: 10px;
  margin-bottom: 1.25rem;
}

.btn-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.65rem 0.75rem;
  border: var(--border-thin) solid var(--ink-black);
  border-radius: var(--radius-panel);
  background: var(--white);
  font-family: var(--font-manga);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-black);
  cursor: pointer;
  box-shadow: var(--shadow-manga-sm);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-action:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.btn-transcribe {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.btn-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Transcription Status */
.transcribe-status {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--ink-gray);
  font-weight: 700;
  min-height: 0;
}

.transcribe-status.loading {
  color: var(--accent-red);
  animation: sfxFloat 1.5s ease-in-out infinite;
}

/* =============================================
   SETTINGS SCREEN
   ============================================= */
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  padding-bottom: 2rem;
  -webkit-overflow-scrolling: touch;
}

.settings-panel {
  background: var(--white);
  border: var(--border-thick) solid var(--ink-black);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-manga);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.settings-panel:nth-child(odd) {
  transform: rotate(0.3deg);
}

.settings-panel:nth-child(even) {
  transform: rotate(-0.2deg);
}

.settings-section-title {
  font-size: 1rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.settings-desc {
  font-size: 0.85rem;
  color: var(--ink-gray);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.settings-dir-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-dir-path {
  flex: 1;
  font-size: 0.85rem;
  color: var(--ink-light);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-note {
  font-size: 0.75rem;
  color: var(--ink-light);
  margin-top: 0.5rem;
}

.btn-settings-action {
  padding: 0.5rem 1rem;
  border: var(--border-thin) solid var(--ink-black);
  border-radius: var(--radius-panel);
  background: var(--ink-black);
  color: var(--white);
  font-family: var(--font-manga);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-manga-sm);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.btn-settings-action:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.settings-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  -webkit-tap-highlight-color: transparent;
}

.settings-radio input[type="radio"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-red);
}

.settings-key-row {
  display: flex;
  gap: 10px;
}

.settings-input {
  flex: 1;
  padding: 0.6rem 0.75rem;
  border: var(--border-thin) solid var(--ink-black);
  border-radius: var(--radius-panel);
  font-family: var(--font-manga);
  font-size: 0.85rem;
  background: var(--bg-paper);
  color: var(--ink-black);
  outline: none;
  transition: border-color var(--transition-fast);
  min-width: 0;
}

.settings-input:focus {
  border-color: var(--accent-red);
}

/* ---- Responsive ---- */
@media (min-width: 600px) {
  .notes-container {
    max-width: 540px;
    margin: 0 auto;
  }

  .detail-content {
    max-width: 540px;
    margin: 0 auto;
  }

  .pin-pad {
    max-width: 300px;
  }
}

@media (min-width: 900px) {
  .notes-container {
    max-width: 640px;
  }

  .detail-content {
    max-width: 640px;
  }
}

/* ---- Safe areas for PWA ---- */
@supports (padding: max(0px)) {

  .app-header,
  .detail-header {
    padding-top: max(1rem, env(safe-area-inset-top));
  }

  .record-fab {
    bottom: max(2rem, calc(env(safe-area-inset-bottom) + 1.5rem));
  }
}