/* ─── InfinityPaste — styles.css (complete, Phase 2 merged) ─────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #000;
  --surface: #111;
  --surface2: #1a1a1a;
  --border: #2a2a2a;
  --text: #eeeeee;
  --text-muted: #888;
  --text-faint: #555;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --tab-height: 64px;
  --header-height: 52px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */
.header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  padding-top: env(safe-area-inset-top);
}
.header-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.header-logo {
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
}
.header-badge {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.header-badge:active { background: var(--accent-hover); }

/* ─── Tab Bar ────────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  height: var(--tab-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab {
  flex: 1;
  min-width: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-faint);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0.25rem;
  transition: color 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.tab.active { color: var(--accent); }
.tab:active { color: var(--text-muted); }
.tab-icon { font-size: 1.15rem; line-height: 1; }

/* ─── Tab Content ────────────────────────────────────────────────────────────── */
.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.tab-content.active { display: flex; flex-direction: column; }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.65rem 1.1rem;
  transition: background 0.15s, opacity 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.btn:active { opacity: 0.75; }
.btn-primary   { background: var(--accent);   color: #fff; }
.btn-primary:hover   { background: var(--accent-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-accent    { background: #1d4ed8; color: #fff; }
.btn-accent:hover    { background: #1e40af; }
.btn-danger    { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover    { background: var(--danger); color: #fff; }
.btn-full { width: 100%; }
.btn-sm { font-size: 0.78rem; padding: 0.4rem 0.75rem; }

/* ─── Collect Tab ────────────────────────────────────────────────────────────── */
.collect-area {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  flex: 1;
}
.input-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.collect-textarea {
  flex: 1;
  min-height: 160px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  resize: none;
  outline: none;
  font-family: inherit;
  -webkit-appearance: none;
}
.collect-textarea:focus { border-color: var(--accent); }
.collect-meta { display: flex; gap: 0.5rem; }
.label-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  -webkit-appearance: none;
}
.label-input:focus { border-color: var(--accent); }

/* ─── Files Tab ──────────────────────────────────────────────────────────────── */
.files-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.25rem;
}
.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.upload-zone {
  margin: 0.5rem 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.upload-zone:active { border-color: var(--accent); background: var(--surface2); }
.upload-zone-icon { font-size: 2rem; margin-bottom: 0.4rem; }
.upload-zone-text { font-size: 0.95rem; font-weight: 600; color: var(--text); }
.upload-zone-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.3rem; }
.files-list { padding: 0 0.5rem 1rem; }
.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}
.file-row-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}
.file-icon { font-size: 1.3rem; flex-shrink: 0; }
.file-meta { min-width: 0; }
.file-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-size { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; }
.file-row-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }

/* ─── File Viewer ────────────────────────────────────────────────────────────── */
.file-viewer {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.viewer-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.viewer-back {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0;
  white-space: nowrap;
}
.viewer-filename {
  flex: 1;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.viewer-hint {
  font-size: 0.75rem;
  color: var(--text-faint);
  padding: 0.4rem 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.viewer-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  -webkit-user-select: text;
  user-select: text;
  -webkit-overflow-scrolling: touch;
}

/* ─── Record Tab ─────────────────────────────────────────────────────────────── */
.record-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem 1.5rem;
  gap: 1rem;
}
.record-timer {
  font-size: 2.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--text);
}
.record-waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 32px;
}
.record-waveform span {
  display: block;
  width: 3px;
  height: 6px;
  background: var(--border);
  border-radius: 2px;
  transition: height 0.15s ease;
}
.record-waveform--active span {
  background: var(--accent);
  animation: wave 0.8s ease-in-out infinite alternate;
}
.record-waveform--active span:nth-child(2n) { animation-delay: 0.15s; }
.record-waveform--active span:nth-child(3n) { animation-delay: 0.3s; }
.record-waveform--active span:nth-child(4n) { animation-delay: 0.45s; }
@keyframes wave { from { height: 4px; } to { height: 28px; } }
.record-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: background 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 4px 20px rgba(59,130,246,0.4);
}
.record-btn:active { transform: scale(0.94); }
.record-btn--active { background: var(--danger); box-shadow: 0 4px 20px rgba(239,68,68,0.4); }
.record-status { font-size: 0.85rem; color: var(--text-muted); }
.recordings-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.25rem;
  border-top: 1px solid var(--border);
}
.recordings-list { padding: 0 0.5rem 1rem; }
.recording-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}
.recording-info { flex: 1; min-width: 0; }
.recording-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recording-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; }
.recording-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }

/* ─── Queue Tab ──────────────────────────────────────────────────────────────── */
.queue-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.25rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.queue-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.queue-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.queue-list { padding: 0 0.5rem 1rem; }
.queue-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  cursor: grab;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.queue-card:active { cursor: grabbing; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}
.card-meta { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; flex: 1; min-width: 0; }
.card-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-faint);
  background: var(--surface2);
  border-radius: 4px;
  padding: 1px 5px;
  flex-shrink: 0;
}
.card-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(59,130,246,0.12);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}
.card-source {
  font-size: 0.68rem;
  color: var(--text-faint);
  background: var(--surface2);
  border-radius: 4px;
  padding: 1px 5px;
  white-space: nowrap;
}
.card-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }
.card-time {
  font-size: 0.68rem;
  color: var(--text-faint);
  margin-top: 0.35rem;
  text-align: right;
}

/* ─── Card Buttons ───────────────────────────────────────────────────────────── */
.card-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.card-btn:active { opacity: 0.7; }
.card-btn--copy:active, .card-btn--copy:hover { color: var(--accent); border-color: var(--accent); }
.card-btn--delete:active, .card-btn--delete:hover { color: var(--danger); border-color: var(--danger); }
.card-btn--play:active, .card-btn--play:hover { color: var(--success); }
.card-btn--transcribe:active, .card-btn--transcribe:hover { color: var(--warning); }

/* ─── Empty States ───────────────────────────────────────────────────────────── */
.queue-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--text-faint);
  text-align: center;
  gap: 0.4rem;
}
.empty-icon { font-size: 2.5rem; margin-bottom: 0.4rem; }
.empty-hint { font-size: 0.78rem; color: var(--text-faint); }

/* ─── Compose Tab ────────────────────────────────────────────────────────────── */
.compose-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.5rem;
  gap: 0.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.compose-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.compose-textarea {
  flex: 1;
  background: var(--bg);
  border: none;
  padding: 1rem;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.7;
  resize: none;
  outline: none;
  font-family: inherit;
  -webkit-appearance: none;
}
.compose-stats {
  font-size: 0.72rem;
  color: var(--text-faint);
  padding: 0.4rem 1rem;
  border-top: 1px solid var(--border);
  text-align: right;
  flex-shrink: 0;
}

/* ─── Settings Tab ───────────────────────────────────────────────────────────── */
.settings-list { padding: 0 0 2rem; }
.settings-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1.2rem 1rem 0.4rem;
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  gap: 0.75rem;
}
.settings-row.danger { color: var(--danger); cursor: pointer; }
.settings-row.danger:active { background: rgba(239,68,68,0.08); }
.settings-value { font-size: 0.82rem; color: var(--text-muted); }
.settings-arrow { color: var(--text-faint); font-size: 1.1rem; }
.settings-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  color: var(--text);
  font-size: 0.82rem;
  outline: none;
  -webkit-appearance: none;
  max-width: 160px;
}
.settings-ai-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

/* ─── Toggle Switch ──────────────────────────────────────────────────────────── */
.toggle { position: relative; display: inline-block; width: 44px; height: 26px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.2s;
  cursor: pointer;
}
.toggle-track::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-track { background: var(--accent); }
.toggle input:checked + .toggle-track::before { transform: translateX(18px); }

/* ─── AI Key Cards ───────────────────────────────────────────────────────────── */
.key-provider-card {
  border-bottom: 1px solid var(--border);
}
.key-provider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.key-provider-left { display: flex; align-items: center; gap: 0.75rem; }
.key-provider-icon { font-size: 1.2rem; }
.key-provider-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.key-provider-models { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; }
.key-provider-right { display: flex; align-items: center; gap: 0.5rem; }
.key-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.2s;
}
.key-dot--ok   { background: var(--success); }
.key-dot--warn { background: var(--warning); }
.key-chevron {
  color: var(--text-faint);
  font-size: 1.1rem;
  transition: transform 0.2s;
}
.key-provider-body {
  padding: 0 1rem 1rem;
  background: var(--surface2);
}
.key-provider-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.5rem 0 0.65rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.65rem;
}
.key-input-wrap {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.key-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text);
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  outline: none;
  -webkit-appearance: none;
}
.key-input:focus { border-color: var(--accent); }
.key-reveal-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  font-size: 1rem;
  -webkit-tap-highlight-color: transparent;
}
.key-status {
  font-size: 0.75rem;
  margin-top: 0.4rem;
  height: 1rem;
}
.key-status--ok   { color: var(--success); }
.key-status--warn { color: var(--warning); }

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 1rem);
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1f2937;
  color: #f9fafb;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), opacity 0.25s;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
}
.toast--show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast--error { background: #7f1d1d; color: #fca5a5; }

/* ─── Phase 2: Queue Search + Sort Row ──────────────────────────────────────── */
.queue-search-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0.25rem;
  align-items: center;
}
.queue-search-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  -webkit-appearance: none;
}
.queue-search-input:focus { border-color: var(--accent); }
.queue-sort-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.5rem;
  color: var(--text);
  font-size: 0.8rem;
  outline: none;
  -webkit-appearance: none;
  min-width: 80px;
  text-align: center;
}

/* ─── Phase 2: Expand / Collapse ────────────────────────────────────────────── */
.card-preview {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 0.4rem 0;
  color: var(--text-muted);
  transition: max-height 0.2s ease;
}
.card-preview--expanded { max-height: none; }
.card-expand-hint {
  font-size: 0.72rem;
  color: var(--accent);
  padding-bottom: 0.25rem;
  user-select: none;
}

/* ─── Phase 2: Drag-to-reorder ──────────────────────────────────────────────── */
.queue-card--dragging {
  opacity: 0.4;
  transform: scale(0.97);
}
.queue-card--dragover {
  border-top: 2px solid var(--accent) !important;
}