@import "tailwindcss";
@import "tw-animate-css";
@import "shadcn/tailwind.css";
@import "@uiw/react-md-editor/markdown-editor.css";
@import "@uiw/react-markdown-preview/markdown.css";

/* "dark:" must be true for every dark-surfaced theme, not just .dark --
   Ocean is a second dark look, so both classes turn on dark utilities. */
@custom-variant dark (&:is(.dark *, .ocean *));

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-sans);
  --font-mono: var(--font-mono);
  --font-heading: var(--font-heading);
  --color-sidebar-ring: var(--sidebar-ring);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar: var(--sidebar);
  --color-chart-5: var(--chart-5);
  --color-chart-4: var(--chart-4);
  --color-chart-3: var(--chart-3);
  --color-chart-2: var(--chart-2);
  --color-chart-1: var(--chart-1);
  --color-ring: var(--ring);
  --color-input: var(--input);
  --color-border: var(--border);
  --color-destructive: var(--destructive);
  --color-accent-foreground: var(--accent-foreground);
  --color-accent: var(--accent);
  --color-muted-foreground: var(--muted-foreground);
  --color-muted: var(--muted);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-secondary: var(--secondary);
  --color-primary-foreground: var(--primary-foreground);
  --color-primary: var(--primary);
  --color-popover-foreground: var(--popover-foreground);
  --color-popover: var(--popover);
  --color-card-foreground: var(--card-foreground);
  --color-card: var(--card);
  /* One more surface: the "lane" behind a category's cards -- sits between
     the page background and the card, so cards read as objects resting on a
     tray instead of floating on the page. */
  --color-lane: var(--lane);
  --radius-sm: calc(var(--radius) * 0.6);
  --radius-md: calc(var(--radius) * 0.8);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) * 1.4);
  --radius-2xl: calc(var(--radius) * 1.8);
  --radius-3xl: calc(var(--radius) * 2.2);
  --radius-4xl: calc(var(--radius) * 2.6);
}

/* ---------------------------------------------------------------------------
   Themes
   The app ships four looks, chosen via the theme picker (next-themes):
     default -- calm, cool neutral light theme (the safe, focused one)
     sunset  -- warm paper + persimmon accent, a cozier light theme
     dark    -- deep charcoal with an indigo accent
     ocean   -- deep blue-green night theme with a seafoam accent
   Each is a complete token set; components only ever use tokens, so adding
   a fifth theme later is just another block like these.
--------------------------------------------------------------------------- */

:root,
.theme-default {
  color-scheme: light;
  --background: oklch(0.985 0.002 260);
  --foreground: oklch(0.235 0.02 265);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.235 0.02 265);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.235 0.02 265);
  /* Single calm accent (indigo) for interactive chrome -- buttons, active
     nav, focus rings -- kept deliberately separate from the curated vibrant
     Group palette in lib/colors.ts so the group colors stay the only
     "loud" color on screen. */
  --primary: oklch(0.53 0.2 272);
  --primary-foreground: oklch(0.98 0.01 274);
  --secondary: oklch(0.955 0.004 260);
  --secondary-foreground: oklch(0.31 0.02 265);
  --muted: oklch(0.95 0.004 260);
  --muted-foreground: oklch(0.52 0.02 265);
  --accent: oklch(0.95 0.022 272);
  --accent-foreground: oklch(0.35 0.12 272);
  --destructive: oklch(0.58 0.21 27);
  --border: oklch(0.905 0.004 260);
  --input: oklch(0.885 0.004 260);
  --ring: oklch(0.58 0.15 272);
  --lane: oklch(0.95 0.005 260);
  --chart-1: oklch(0.87 0 0);
  --chart-2: oklch(0.556 0 0);
  --chart-3: oklch(0.439 0 0);
  --chart-4: oklch(0.371 0 0);
  --chart-5: oklch(0.269 0 0);
  --radius: 0.75rem;
  --sidebar: oklch(0.975 0.003 260);
  --sidebar-foreground: oklch(0.235 0.02 265);
  --sidebar-primary: oklch(0.53 0.2 272);
  --sidebar-primary-foreground: oklch(0.98 0.01 274);
  --sidebar-accent: oklch(0.95 0.022 272);
  --sidebar-accent-foreground: oklch(0.35 0.12 272);
  --sidebar-border: oklch(0.905 0.004 260);
  --sidebar-ring: oklch(0.58 0.15 272);
}

.dark {
  color-scheme: dark;
  --background: oklch(0.175 0.012 265);
  --foreground: oklch(0.93 0.01 265);
  --card: oklch(0.22 0.013 265);
  --card-foreground: oklch(0.93 0.01 265);
  --popover: oklch(0.23 0.014 265);
  --popover-foreground: oklch(0.93 0.01 265);
  --primary: oklch(0.7 0.14 272);
  --primary-foreground: oklch(0.16 0.04 272);
  --secondary: oklch(0.27 0.012 265);
  --secondary-foreground: oklch(0.93 0.01 265);
  --muted: oklch(0.26 0.013 265);
  --muted-foreground: oklch(0.68 0.02 265);
  --accent: oklch(0.31 0.04 272);
  --accent-foreground: oklch(0.9 0.03 272);
  --destructive: oklch(0.68 0.19 24);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 14%);
  --ring: oklch(0.68 0.14 272);
  --lane: oklch(1 0 0 / 5%);
  --chart-1: oklch(0.87 0 0);
  --chart-2: oklch(0.556 0 0);
  --chart-3: oklch(0.439 0 0);
  --chart-4: oklch(0.371 0 0);
  --chart-5: oklch(0.269 0 0);
  --radius: 0.75rem;
  --sidebar: oklch(0.205 0.013 265);
  --sidebar-foreground: oklch(0.93 0.01 265);
  --sidebar-primary: oklch(0.7 0.14 272);
  --sidebar-primary-foreground: oklch(0.16 0.04 272);
  --sidebar-accent: oklch(0.31 0.04 272);
  --sidebar-accent-foreground: oklch(0.9 0.03 272);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.68 0.14 272);
}

.theme-sunset {
  color-scheme: light;
  --background: oklch(0.968 0.016 75);
  --foreground: oklch(0.27 0.032 52);
  --card: oklch(0.988 0.008 80);
  --card-foreground: oklch(0.27 0.032 52);
  --popover: oklch(0.99 0.007 80);
  --popover-foreground: oklch(0.27 0.032 52);
  /* Persimmon -- warm enough to feel like part of the paper, saturated
     enough to stay unmistakably "the accent". */
  --primary: oklch(0.58 0.19 42);
  --primary-foreground: oklch(0.98 0.01 60);
  --secondary: oklch(0.945 0.02 72);
  --secondary-foreground: oklch(0.32 0.05 50);
  --muted: oklch(0.938 0.02 72);
  --muted-foreground: oklch(0.54 0.045 58);
  --accent: oklch(0.928 0.035 62);
  --accent-foreground: oklch(0.36 0.11 44);
  --destructive: oklch(0.57 0.21 25);
  --border: oklch(0.89 0.022 72);
  --input: oklch(0.865 0.024 72);
  --ring: oklch(0.6 0.16 44);
  --lane: oklch(0.942 0.018 72);
  --chart-1: oklch(0.79 0.12 58);
  --chart-2: oklch(0.66 0.14 48);
  --chart-3: oklch(0.53 0.13 42);
  --chart-4: oklch(0.42 0.1 52);
  --chart-5: oklch(0.31 0.07 58);
  /* Slightly rounder than the default theme -- a touch softer overall. */
  --radius: 0.9rem;
  --sidebar: oklch(0.958 0.013 75);
  --sidebar-foreground: oklch(0.27 0.032 52);
  --sidebar-primary: oklch(0.58 0.19 42);
  --sidebar-primary-foreground: oklch(0.98 0.01 60);
  --sidebar-accent: oklch(0.928 0.035 62);
  --sidebar-accent-foreground: oklch(0.36 0.11 44);
  --sidebar-border: oklch(0.89 0.022 72);
  --sidebar-ring: oklch(0.6 0.16 44);
}

.ocean {
  color-scheme: dark;
  --background: oklch(0.2 0.035 224);
  --foreground: oklch(0.92 0.02 215);
  --card: oklch(0.245 0.04 220);
  --card-foreground: oklch(0.92 0.02 215);
  --popover: oklch(0.255 0.042 218);
  --popover-foreground: oklch(0.92 0.02 215);
  /* Seafoam -- a cool, luminous accent that reads "water at night" against
     the deep blue-green surfaces without screaming. */
  --primary: oklch(0.76 0.11 192);
  --primary-foreground: oklch(0.21 0.05 200);
  --secondary: oklch(0.295 0.042 222);
  --secondary-foreground: oklch(0.92 0.02 215);
  --muted: oklch(0.285 0.042 222);
  --muted-foreground: oklch(0.7 0.03 215);
  --accent: oklch(0.33 0.05 214);
  --accent-foreground: oklch(0.9 0.03 192);
  --destructive: oklch(0.7 0.17 25);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 14%);
  --ring: oklch(0.72 0.11 192);
  --lane: oklch(1 0 0 / 6%);
  --chart-1: oklch(0.76 0.1 192);
  --chart-2: oklch(0.63 0.11 200);
  --chart-3: oklch(0.5 0.11 215);
  --chart-4: oklch(0.4 0.1 228);
  --chart-5: oklch(0.3 0.08 240);
  --radius: 0.8rem;
  --sidebar: oklch(0.225 0.042 220);
  --sidebar-foreground: oklch(0.92 0.02 215);
  --sidebar-primary: oklch(0.76 0.11 192);
  --sidebar-primary-foreground: oklch(0.21 0.05 200);
  --sidebar-accent: oklch(0.33 0.05 214);
  --sidebar-accent-foreground: oklch(0.9 0.03 192);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.72 0.11 192);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
    /* Gentle, calm type for a tool that sits on screen all day. */
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    letter-spacing: -0.006em;
  }
  /* Headings use the display face (see --font-heading / Figtree). */
  h1,
  h2,
  h3,
  h4 {
    letter-spacing: -0.018em;
  }
  /* Smooth, low-key hover/selection feel: fade color changes instead of
     snapping. Components that set their own transition-* utility override
     this (utilities win on specificity). */
  *,
  *::before,
  *::after {
    transition:
      background-color 200ms ease,
      border-color 200ms ease,
      color 200ms ease,
      fill 200ms ease,
      stroke 200ms ease;
  }
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      transition: none !important;
      animation: none !important;
    }
  }
  ::selection {
    background: color-mix(in srgb, var(--ring) 28%, transparent);
  }
  /* Quiet scrollbars that match the theme. */
  * {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--foreground) 22%, transparent) transparent;
  }
  *::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  *::-webkit-scrollbar-track,
  *::-webkit-scrollbar-corner {
    background: transparent;
  }
  *::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--foreground) 20%, transparent);
    border: 3px solid transparent;
    border-radius: 999px;
    background-clip: padding-box;
  }
  *::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--foreground) 32%, transparent);
    background-clip: padding-box;
  }
}

/* ---------------------------------------------------------------------------
   Markdown editor / preview (third-party CSS) -- fit the theme's tokens and
   the app's type scale so notes blend into dialogs instead of looking
   pasted in.
--------------------------------------------------------------------------- */
.wmde-markdown {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: -0.006em;
}
.w-md-editor {
  --md-editor-font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--foreground);
  background: var(--card);
  border-color: var(--border);
  box-shadow: none;
}
.w-md-editor .w-md-editor-toolbar {
  background: color-mix(in srgb, var(--foreground) 5%, transparent);
  border-color: var(--border);
}
.w-md-editor-toolbar-item,
.w-md-editor-toolbar-item-icon {
  color: var(--muted-foreground);
}
.w-md-editor-toolbar-item-active,
.w-md-editor-toolbar-item-active .w-md-editor-toolbar-item-icon {
  color: var(--foreground);
}
.w-md-editor-text,
.w-md-editor-text-pre,
.w-md-editor-text-input {
  color: var(--foreground);
}
.w-md-editor-text-input::placeholder {
  color: var(--muted-foreground);
}
/* Dark-surfaced themes (Dark, Ocean) -- the editor's stock CSS is
   light-only, so override it where we render with data-color-mode="dark". */
[data-color-mode="dark"] .w-md-editor {
  background: var(--card);
  border-color: var(--border);
}
[data-color-mode="dark"] .w-md-editor .w-md-editor-toolbar {
  background: color-mix(in srgb, var(--foreground) 7%, transparent);
  border-color: var(--border);
}
[data-color-mode="dark"] .w-md-editor .w-md-editor-text,
[data-color-mode="dark"] .w-md-editor .w-md-editor-text-pre,
[data-color-mode="dark"] .w-md-editor .w-md-editor-text-input {
  color: var(--foreground);
  background: transparent;
}