@import "tailwindcss";
@import "tw-animate-css";
@import "shadcn/tailwind.css";

@custom-variant dark (&:is(.dark *));

@theme {
  --color-primary: #DEDBC8;
  --color-primary-shadow: #0B7C7B;
  --color-secondary: #3B82F6;
  --color-secondary-shadow: #1D4ED8;
  --color-warning: #F59E0B;
  --color-danger: #F43F5E;
  --color-danger-shadow: #BE123C;
  --color-background: #F8FBFF;
  --color-card: #ffffff;
  --color-card-feature: #f7f7f7;
  --color-border: #e5e5e5;
  --color-ink: #4b4b4b;
  --color-muted: #777777;
}

@theme inline {
  --font-sans: var(--font-sans);
  --font-serif: var(--font-instrument-serif), "Instrument Serif", serif;
  --font-heading: var(--font-sans);
  --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);
  --color-foreground: var(--foreground);
  --color-background: var(--background);
  --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);
}

:root {
  --muted: oklch(0.97 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --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: 0.625rem;
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.97 0 0);
  --sidebar-accent-foreground: oklch(0.205 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.708 0 0);
}

* {
  box-sizing: border-box;
  font-family: var(--font-almarai), "Almarai", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
}

html {
  min-width: 320px;
}

body {
  background: #000000;
  color: #E1E0CC;
  font-family: var(--font-almarai), "Almarai", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  min-width: 320px;
}

button,
input,
select,
textarea {
  font: inherit;
}

.btn-duo {
  @apply relative inline-flex items-center justify-center rounded-2xl font-extrabold uppercase transition-all select-none;
  letter-spacing: 0;
  min-height: 48px;
  padding: 12px 22px;
}

.btn-duo-primary {
  @apply bg-[#0EA5A4] text-white;
  box-shadow: 0 4px 0 #0B7C7B;
}

.btn-duo-secondary {
  @apply bg-[#3B82F6] text-white;
  box-shadow: 0 4px 0 #1D4ED8;
}

.btn-duo-white {
  @apply border-2 border-[#E5E5E5] bg-white text-[#3B82F6];
  box-shadow: 0 4px 0 #e5e5e5;
}

.btn-duo-danger {
  @apply bg-[#F43F5E] text-white;
  box-shadow: 0 4px 0 #BE123C;
}

.btn-duo:active:not(:disabled) {
  transform: translateY(4px);
  box-shadow: 0 0 0 transparent;
}

.btn-duo:disabled {
  @apply cursor-not-allowed bg-[#E5E5E5] text-[#AFAFAF];
  box-shadow: 0 4px 0 #d0d0d0;
}

.duo-card,
.card-duo {
  @apply rounded-2xl border-2 border-[#E5E5E5] bg-white transition-all;
  box-shadow: 0 4px 0 #e5e5e5;
}

.duo-card-interactive,
.card-duo {
  @apply cursor-pointer;
}

.duo-card-interactive:hover,
.card-duo:hover {
  @apply border-[#D7D7D7];
  transform: translateY(-1px);
  box-shadow: 0 5px 0 #d7d7d7;
}

.duo-card-interactive:active,
.card-duo:active:not(.card-duo-active) {
  transform: translateY(4px);
  box-shadow: 0 0 0 #e5e5e5;
}

.card-duo-active,
.duo-card-active {
  @apply border-[#3B82F6] bg-[#EFF6FF];
  box-shadow: 0 4px 0 #1D4ED8;
}

.duo-input {
  @apply h-12 w-full rounded-2xl border-2 border-[#E5E5E5] bg-white px-4 text-sm font-bold text-[#4B4B4B] outline-none transition-colors placeholder:text-[#AFAFAF];
  box-shadow: 0 3px 0 #e5e5e5;
}

.duo-input:focus {
  @apply border-[#3B82F6];
}

.duo-chip {
  @apply inline-flex items-center gap-2 rounded-full border-2 border-[#E5E5E5] bg-white px-3 py-1.5 text-xs font-extrabold uppercase text-[#777777];
  letter-spacing: 0;
}

.duo-progress {
  @apply h-4 overflow-hidden rounded-full bg-[#E5E5E5];
}

.duo-progress > span {
  @apply block h-full rounded-full bg-[#0EA5A4];
  box-shadow: inset 0 -2px 0 rgba(11, 124, 123, 0.35);
}

.duo-page-title {
  @apply text-2xl font-black text-[#3C3C3C];
  letter-spacing: 0;
}

.duo-eyebrow {
  @apply text-xs font-black uppercase text-[#777777];
  letter-spacing: 0;
}

.duo-soft-panel {
  @apply rounded-2xl border-2 border-[#E5E5E5] bg-[#F7F7F7];
}

/* Furigana ruby text — readings rendered above kanji. Give the line a bit of
   extra height so the rt doesn't crash into the line above. */
ruby.ruby {
  ruby-position: over;
  ruby-align: center;
}
ruby.ruby > rt {
  font-size: 0.55em;
  font-weight: 700;
  color: #6B7280;
  letter-spacing: 0.02em;
  line-height: 1;
  user-select: none;
}
.has-furi {
  line-height: 2.1;
}

.duo-safe-bottom {
  padding-bottom: calc(88px + env(safe-area-inset-bottom));
}

.noise-overlay,
.bg-noise {
  background-repeat: repeat;
  background-size: 160px 160px;
}

.noise-overlay {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.58'/%3E%3C/svg%3E");
}

.bg-noise {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.42'/%3E%3C/svg%3E");
}

.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --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);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.556 0 0);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }
  html {
    @apply font-sans;
  }
}