@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    /* shadcn base variables — mapped from current design */
    --background: 80 10% 95%;
    --foreground: 150 15% 10%;
    --card: 0 0% 100%;
    --card-foreground: 150 15% 10%;
    --popover: 0 0% 100%;
    --popover-foreground: 150 15% 10%;
    --primary: 224 100% 60%;
    --primary-foreground: 0 0% 100%;
    --secondary: 80 8% 93%;
    --secondary-foreground: 150 15% 10%;
    --muted: 80 8% 93%;
    --muted-foreground: 140 5% 40%;
    --accent: 80 8% 93%;
    --accent-foreground: 150 15% 10%;
    --destructive: 14 76% 62%;
    --destructive-foreground: 0 0% 100%;
    --border: 110 5% 89%;
    --input: 110 5% 89%;
    --ring: 224 100% 60%;
    --radius: 18px;

    /* Project E custom variables */
    --sidebar: 150 25% 11%;
    --sidebar-foreground: 140 20% 93%;
    --sidebar-accent: 150 15% 18%;
    --green: 150 50% 28%;
    --coral: 14 76% 62%;
    --amber: 37 65% 53%;
    --domain-personal: 150 55% 37%;
    --domain-work: 224 100% 60%;
    --domain-ots: 14 80% 63%;
  }

  .dark {
    --background: 150 15% 7%;
    --foreground: 80 10% 95%;
    --card: 150 15% 10%;
    --card-foreground: 80 10% 95%;
    --popover: 150 15% 10%;
    --popover-foreground: 80 10% 95%;
    --primary: 224 100% 65%;
    --primary-foreground: 0 0% 100%;
    --secondary: 150 10% 15%;
    --secondary-foreground: 80 10% 95%;
    --muted: 150 10% 15%;
    --muted-foreground: 140 5% 60%;
    --accent: 150 10% 15%;
    --accent-foreground: 80 10% 95%;
    --destructive: 14 76% 55%;
    --destructive-foreground: 0 0% 100%;
    --border: 150 10% 18%;
    --input: 150 10% 18%;
    --ring: 224 100% 65%;

    --sidebar: 150 25% 8%;
    --sidebar-foreground: 140 20% 90%;
    --sidebar-accent: 150 15% 14%;
    --green: 150 50% 35%;
    --coral: 14 76% 55%;
    --amber: 37 65% 45%;
  }
}

@layer base {
  * {
    border-color: hsl(var(--border));
  }
  body {
    @apply bg-background text-foreground;
    font-family: var(--font-geist-sans), system-ui, sans-serif;
  }
}

/* Density variants */
[data-density='compact'] {
  --spacing-unit: 0.75rem;
  --radius: 12px;
}

[data-density='comfortable'] {
  --spacing-unit: 1rem;
  --radius: 18px;
}

[data-density='spacious'] {
  --spacing-unit: 1.25rem;
  --radius: 22px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

[data-reduced-motion='true'] * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}

/* Skip link for accessibility */
.skip-link {
  position: fixed;
  left: 12px;
  top: -50px;
  z-index: 200;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 12px;
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* React Calendar Heatmap */
.react-calendar-heatmap rect {
  rx: 2;
  ry: 2;
}

.heatmap-empty {
  fill: hsl(var(--muted));
}

.heatmap-scale-1 {
  fill: hsl(var(--primary) / 0.25);
}

.heatmap-scale-2 {
  fill: hsl(var(--primary) / 0.5);
}

.heatmap-scale-3 {
  fill: hsl(var(--primary) / 0.75);
}

.heatmap-scale-4 {
  fill: hsl(var(--primary));
}

.react-calendar-heatmap .react-calendar-heatmap-month-label,
.react-calendar-heatmap .react-calendar-heatmap-weekday-label {
  font-size: 0.625rem;
  fill: hsl(var(--muted-foreground));
}

/* TipTap Editor */
.tiptap-editor .tiptap {
  outline: none;
  min-height: 400px;
}

.tiptap-editor .tiptap p {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.tiptap-editor .tiptap h1,
.tiptap-editor .tiptap h2,
.tiptap-editor .tiptap h3 {
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.tiptap-editor .tiptap h1 {
  font-size: 1.5rem;
}

.tiptap-editor .tiptap h2 {
  font-size: 1.25rem;
}

.tiptap-editor .tiptap h3 {
  font-size: 1.125rem;
}

.tiptap-editor .tiptap ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.tiptap-editor .tiptap ol {
  list-style-type: decimal;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.tiptap-editor .tiptap li {
  margin-bottom: 0.25rem;
}

.tiptap-editor .tiptap blockquote {
  border-left: 3px solid hsl(var(--border));
  padding-left: 1rem;
  margin-left: 0;
  margin-bottom: 0.75rem;
  color: hsl(var(--muted-foreground));
}

.tiptap-editor .tiptap code {
  background: hsl(var(--muted));
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  font-family: var(--font-geist-mono), monospace;
  font-size: 0.875em;
}

.tiptap-editor .tiptap pre {
  background: hsl(var(--muted));
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
}

.tiptap-editor .tiptap pre code {
  background: none;
  padding: 0;
}

.tiptap-editor .tiptap a {
  color: hsl(var(--primary));
  text-decoration: underline;
  text-underline-offset: 2px;
}

.tiptap-editor .tiptap a:hover {
  opacity: 0.8;
}

.tiptap-editor .tiptap hr {
  border: none;
  border-top: 1px solid hsl(var(--border));
  margin: 1.5rem 0;
}

.tiptap-editor .tiptap p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  float: left;
  color: hsl(var(--muted-foreground));
  pointer-events: none;
  height: 0;
}

/* React Big Calendar */
.rbc-calendar {
  font-family: inherit;
}

.rbc-toolbar {
  margin-bottom: 1em;
}

.rbc-toolbar button {
  color: hsl(var(--foreground));
  background-color: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s;
}

.rbc-toolbar button:hover {
  background-color: hsl(var(--accent));
}

.rbc-toolbar button.rbc-active {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
}

.rbc-month-view,
.rbc-time-view {
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
}

.rbc-header {
  padding: 0.5rem;
  font-weight: 600;
  border-bottom: 1px solid hsl(var(--border));
  background-color: hsl(var(--muted));
}

.rbc-day-bg {
  background-color: hsl(var(--background));
}

.rbc-off-range-bg {
  background-color: hsl(var(--muted) / 0.5);
}

.rbc-today {
  background-color: hsl(var(--primary) / 0.1);
}

.rbc-event {
  padding: 2px 5px;
  font-size: 12px;
}

.rbc-show-more {
  color: hsl(var(--primary));
  font-size: 12px;
  font-weight: 500;
}

/* ── Mobile responsive ──────────────────────────────────────────────────────────── */

/* Bottom navigation for mobile */
@media (max-width: 767px) {
  .mobile-bottom-nav {
    display: flex !important;
  }

  /* Calendar: day view on mobile */
  .rbc-month-view {
    display: none;
  }
  .rbc-time-view {
    display: block;
  }

  /* Dashboard: single column */
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }

  /* Kanban: single column with horizontal scroll */
  .kanban-board {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }
  .kanban-column {
    min-width: 85vw;
    scroll-snap-align: start;
  }

  /* Touch targets ≥ 44px */
  button, a, [role="button"], input, select, textarea {
    min-height: 44px;
  }

  /* Reduce padding on mobile */
  main#main-content {
    padding: 1rem !important;
  }
}

/* Desktop: hide bottom nav */
.mobile-bottom-nav {
  display: none;
}

/* ── Focus rings for accessibility ──────────────────────────────────────────────── */

*:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* ── Color contrast improvements ───────────────────────────────────────────────── */

.text-muted-foreground {
  color: hsl(var(--muted-foreground));
}

/* Ensure 4.5:1 contrast for small text */
@media (prefers-contrast: more) {
  :root {
    --muted-foreground: 140 5% 30%;
  }
  .dark {
    --muted-foreground: 140 5% 70%;
  }
}