/* Fernacular fallbacks (overridden when CDN loads) */
:root {
  --color-primary: #6366f1;
  --color-background: #0a0a0b;
  --color-surface: #18181b;
  --color-surface-elevated: #27272a;
  --color-text: #fafafa;
  --color-text-muted: #a1a1aa;
  --color-border: #27272a;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Base app layout */
body {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* Focus visibility for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Utility classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Auth components */
.auth-card {
  max-width: 400px;
  margin: var(--space-3xl) auto 0;
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.auth-heading {
  margin: 0 0 var(--space-xs);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.auth-subtext {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.auth-input {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-background);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.15s;
}

.auth-input:focus {
  border-color: var(--color-primary);
}

.auth-input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.auth-button {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.auth-button:hover {
  opacity: 0.9;
}

.auth-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.auth-error {
  color: var(--color-error);
  font-size: 0.8125rem;
  min-height: 1.25em;
  margin-bottom: var(--space-sm);
}

/* PIN login */
.pin-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.pin-container {
  display: flex;
  gap: 12px;
}

.pin-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 1.125rem;
  font-family: var(--font-sans);
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color 0.15s, opacity 0.15s;
  box-sizing: border-box;
}

.pin-input:focus {
  border-color: var(--color-primary);
}

.pin-input.error {
  border-color: var(--color-error);
}

/* =====================================================
   Phase 3 — Timer, entries, tags, and shared components
   ===================================================== */

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.nav-brand {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-xs) 0;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link.active {
  color: var(--color-primary);
  box-shadow: inset 0 -2px 0 0 var(--color-primary);
}

.version-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px var(--space-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
  margin-left: var(--space-sm);
}

.version-pill:hover {
  background: var(--color-surface-elevated, var(--color-surface));
  color: var(--color-text);
}

.nav-logout {
  color: var(--color-text-muted);
  margin-left: var(--space-sm);
}

.nav-logout:hover {
  color: var(--color-error);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.btn-primary:hover {
  opacity: 0.9;
}

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

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-error);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.btn-danger:hover {
  opacity: 0.9;
}

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

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  background: none;
  color: var(--color-text-muted);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color 0.15s;
  white-space: nowrap;
}

.btn-ghost:hover {
  color: var(--color-text);
}

/* Form inputs */
.form-input {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus {
  border-color: var(--color-primary);
}

.form-input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.form-label {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

/* Timer bar */
.timer-bar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  border-left: 4px solid var(--color-border);
}

.timer-bar.running {
  border-left-color: var(--color-primary);
}

.timer-bar.idle {
  border-left-color: var(--color-border);
}

.timer-top-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.timer-time {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
  min-width: 0;
}

.timer-stop-btn {
  flex-shrink: 0;
}

.timer-bottom-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.timer-description {
  color: var(--color-text);
  font-size: 0.9375rem;
  flex: 1;
  min-width: 0;
  outline: none;
  border-bottom: 1px dashed transparent;
  padding: var(--space-xs) 0;
  cursor: text;
}

.timer-description:focus {
  border-bottom-color: var(--color-primary);
}

.timer-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* Timer start form */
.timer-start-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.timer-desc-input {
  margin-bottom: 0;
}

.timer-controls-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.timer-start-btn {
  flex-shrink: 0;
}

/* Tag badge */
.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  white-space: nowrap;
}

/* Tag picker (inline chips) */
.tag-picker {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s, opacity 0.15s;
  font-family: var(--font-sans);
  opacity: 0.6;
}

.tag-chip:hover {
  opacity: 0.9;
}

.tag-chip.selected {
  border-color: var(--color-text);
  opacity: 1;
}

/* Section header */
.section-header {
  color: var(--color-text-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-md) 0 var(--space-sm);
}

/* Recent list */
.recent-section {
  margin-bottom: var(--space-md);
}

.recent-list {
  display: flex;
  flex-direction: column;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  cursor: default;
  transition: background 0.15s;
}

.recent-item:hover {
  background: var(--color-surface-elevated);
}

.recent-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.recent-desc {
  color: var(--color-text);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.recent-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* Play button */
.play-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  color: var(--color-success);
  border: none;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}

.play-btn:hover {
  background: var(--color-border);
}

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

/* Entry list */
.entry-list-section {
  margin-bottom: var(--space-xl);
}

.entry-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  border-left: 3px solid var(--color-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 2px;
  transition: background 0.15s;
}

.entry-row:hover {
  background: var(--color-surface);
}

.entry-time {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 90px;
}

.entry-duration {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 50px;
}

.entry-desc {
  color: var(--color-text);
  font-size: 0.875rem;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.entry-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}

.entry-row:hover .entry-actions {
  opacity: 1;
}

.entry-row:focus-within .entry-actions {
  opacity: 1;
}

.entry-action-btn {
  padding: var(--space-xs);
  font-size: 0.875rem;
  min-width: 32px;
  min-height: 32px;
}

.add-manual-btn {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  padding: var(--space-sm) 0;
}

/* Tags view */
.tags-view {
  margin-top: var(--space-md);
}

.tags-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.tags-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.tags-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tag-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
}

.tag-row:hover {
  background: var(--color-surface);
}

.tag-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  flex-shrink: 0;
}

.tag-name {
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 500;
  flex: 1;
  min-width: 0;
}

.tag-meta {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.empty-state {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--space-2xl) 0;
}

/* Tag form */
.tag-form-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Color picker */
.color-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
  padding: 0;
  outline: none;
}

.color-swatch:hover {
  transform: scale(1.1);
}

.color-swatch.selected {
  border-color: var(--color-text);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-md);
}

.modal-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title {
  margin: 0 0 var(--space-md);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.modal-body {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  font-size: 0.875rem;
}

.modal-body p {
  margin: 0;
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Entry form in modal */
.entry-form {
  display: flex;
  flex-direction: column;
}

/* Idle prompt */
.idle-prompt {
  text-align: center;
}

.idle-prompt p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* Reports placeholder */
.reports-placeholder {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
}

/* Mobile responsive */
@media (max-width: 480px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .timer-bar {
    border-radius: var(--radius-md);
  }

  .timer-time {
    font-size: 1.5rem;
  }

  .timer-controls-row {
    flex-direction: column;
    align-items: stretch;
  }

  .timer-start-btn {
    width: 100%;
  }

  .entry-row {
    flex-wrap: wrap;
    min-height: auto;
    padding: var(--space-sm);
  }

  .entry-actions {
    opacity: 1;
  }

  .entry-time {
    min-width: auto;
  }

  .entry-desc {
    width: 100%;
    order: 1;
    white-space: normal;
  }

  .recent-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .modal-card {
    margin: var(--space-md);
    max-width: none;
  }

  .color-picker {
    grid-template-columns: repeat(4, 1fr);
    justify-items: center;
  }
}

/* Changelog modal */

.changelog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.changelog-section-header {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.changelog-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.changelog-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.changelog-version {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-text);
}

.changelog-type-badge {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 1px var(--space-xs);
  border-radius: var(--radius-sm);
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.changelog-build {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.changelog-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary, var(--color-text-muted));
  margin: 0 0 var(--space-xs);
}

.changelog-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0;
}