:root {
  --bg-deep: #1a1410;
  --bg-mid: #2a1f18;
  --bg-card: #241a13;
  --bg-input: #1a1410;
  --bg-brief: #1f1610;
  --border: #3d2e22;
  --border-hover: #5c4a38;
  --border-focus: #c89469;
  --accent: #c89469;
  --accent-hover: #d9a67a;
  --text: #e8d5b7;
  --text-muted: #8a7963;
  --text-faint: #6b5840;
  --placeholder: #6b5840;
  --danger: #c04545;
  --danger-bg: #8b2e2e;

  --tag-account-bg: #3d2817;
  --tag-account-fg: #e8d5b7;
  --tag-people-bg: #4a3728;
  --tag-people-fg: #f0dcc4;
  --tag-personal-bg: #2c3e2d;
  --tag-personal-fg: #d4e4c7;
  --tag-custom-bg: #3a2a3a;
  --tag-custom-fg: #e5d0e5;

  --font-serif: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Palatino, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: none;
}

body {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  min-height: 100vh;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 120px;
}

.hidden { display: none !important; }

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  gap: 16px;
}

.brand-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 800;
  margin: 0;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand-title .accent { color: var(--accent); }

.brand-tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  font-style: italic;
}

/* View toggle */
.view-toggle {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}

.view-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: 2px;
  text-transform: uppercase;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.view-btn.active {
  background: var(--accent);
  color: var(--bg-deep);
}

/* Views */
.view { display: none; }
.view.active { display: block; }

/* Input area */
.input-wrap {
  position: relative;
  margin-bottom: 14px;
}

#note-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 60px 14px 14px;
  border-radius: 3px;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.55;
  resize: vertical;
  min-height: 140px;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

#note-input:focus { border-color: var(--border-focus); }

#note-input::placeholder {
  color: var(--placeholder);
  font-style: italic;
}

.mic-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  background: var(--bg-mid);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  padding: 0;
}

.input-actions {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  background: var(--bg-mid);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  padding: 0;
}

.input-action-btn svg {
  width: 18px;
  height: 18px;
}

.input-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.clear-btn {
  width: 36px;
  height: 36px;
  opacity: 0.7;
}

.clear-btn:hover {
  border-color: var(--danger);
  color: #f0c0c0;
  background: rgba(139, 46, 46, 0.3);
  opacity: 1;
}

.clear-btn svg {
  width: 14px;
  height: 14px;
}

.mic-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.mic-btn.listening {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: #ffe5e5;
  animation: pulse 1.4s ease-in-out infinite;
}

.mic-icon { width: 18px; height: 18px; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192, 69, 69, 0.6); }
  50% { box-shadow: 0 0 0 10px rgba(192, 69, 69, 0); }
}

.recording-indicator {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--danger);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

/* Tag system */
.tag-section { margin-bottom: 20px; }

.tag-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}

.tag-hint {
  font-size: 12px;
  color: var(--text-faint);
  font-style: italic;
  margin-bottom: 8px;
}

.tag-groups { margin-bottom: 10px; }

.tag-category {
  margin-bottom: 10px;
}

.tag-category-label {
  font-family: var(--font-mono);
  font-size: 9px;
  margin-bottom: 5px;
  opacity: 0.7;
  letter-spacing: 0.12em;
  font-weight: 600;
  text-transform: uppercase;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  border: 1px solid transparent;
  text-transform: uppercase;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.tag-chip:hover { transform: translateY(-1px); }

.tag-chip.primary-selected {
  box-shadow: 0 0 0 2px var(--text), 0 0 0 4px rgba(232, 213, 183, 0.2);
}

.tag-chip.secondary-selected {
  box-shadow: 0 0 0 2px var(--accent), 0 0 0 4px rgba(200, 148, 105, 0.2);
}

.tag-chip.dashed {
  background: transparent !important;
  border-style: dashed !important;
}

.tag-chip.account { background: var(--tag-account-bg); color: var(--tag-account-fg); border-color: rgba(232, 213, 183, 0.25); }
.tag-chip.people { background: var(--tag-people-bg); color: var(--tag-people-fg); border-color: rgba(240, 220, 196, 0.25); }
.tag-chip.personal { background: var(--tag-personal-bg); color: var(--tag-personal-fg); border-color: rgba(212, 228, 199, 0.25); }
.tag-chip.custom { background: var(--tag-custom-bg); color: var(--tag-custom-fg); border-color: rgba(229, 208, 229, 0.25); }

.tag-chip.account.primary-selected { background: var(--tag-account-fg); color: var(--tag-account-bg); }
.tag-chip.people.primary-selected { background: var(--tag-people-fg); color: var(--tag-people-bg); }
.tag-chip.personal.primary-selected { background: var(--tag-personal-fg); color: var(--tag-personal-bg); }
.tag-chip.custom.primary-selected { background: var(--tag-custom-fg); color: var(--tag-custom-bg); }

.custom-add-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 6px;
}

#custom-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 3px;
  font-family: var(--font-serif);
  font-size: 13px;
  outline: none;
  max-width: 220px;
  flex: 1;
}

#custom-input:focus { border-color: var(--border-focus); }

/* Action buttons */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--border-hover);
  background: var(--bg-mid);
  color: var(--text);
  text-transform: uppercase;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.action-btn:hover:not(:disabled) {
  background: #3d2e22;
  border-color: #8a6f50;
}

.action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

.action-btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.action-btn.danger:hover {
  background: #5c2a2a;
  border-color: #8a4040;
  color: #f0c0c0;
}

.action-btn.full { width: 100%; padding: 14px; font-size: 13px; }
.action-btn.small { padding: 6px 10px; font-size: 11px; }

/* Note cards */
.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color 0.15s ease;
}

.note-card:hover {
  border-color: var(--border-hover);
  border-left-color: var(--accent);
}

.note-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.note-timestamp {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.note-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.note-tags .tag-chip {
  cursor: default;
  font-size: 10px;
  padding: 3px 8px;
}

.note-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 10px;
  white-space: pre-wrap;
  word-break: break-word;
}

.note-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.note-actions .action-btn {
  padding: 5px 9px;
  font-size: 10px;
}

/* Review specifics */
.search-wrap {
  position: relative;
  margin-bottom: 12px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-faint);
  pointer-events: none;
}

#search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px 10px 38px;
  border-radius: 3px;
  font-family: var(--font-serif);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

#search-input:focus { border-color: var(--border-focus); }

.active-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.active-filter-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* Brief export cards */
.brief-export-section { margin-bottom: 28px; }

.brief-card {
  background: var(--bg-brief);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.brief-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.brief-card-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brief-card-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.brief-card-actions {
  display: flex;
  gap: 6px;
}

.brief-card-actions .action-btn {
  padding: 7px 11px;
  font-size: 11px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-faint);
  font-style: italic;
}

/* Footer */
.footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-align: center;
}

.build-info {
  margin-top: 10px;
}

.version-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.version-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: var(--bg-deep);
  padding: 10px 20px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  max-width: calc(100% - 48px);
  text-align: center;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

/* Install prompt */
.install-prompt {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  border-radius: 6px;
  padding: 16px;
  z-index: 999;
  max-width: 400px;
  margin: 0 auto;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
}

.install-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.install-body {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.install-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Note count badge */
#note-count-badge:not(:empty)::before {
  content: ' (';
}
#note-count-badge:not(:empty)::after {
  content: ')';
}

/* Badge for secondary-selected chips: show an indicator */
.secondary-chip-marker {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 4px;
}

/* Mobile tweaks */
@media (max-width: 600px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  #app { padding: 20px 14px 100px; }
  .brand-title { font-size: 30px; }
}

/* Prevent zoom on input focus (iOS) */
@supports (-webkit-touch-callout: none) {
  input, textarea { font-size: 16px !important; }
}