/* ============================================
   DEAR CARE NEPAL — Global Design System
   ============================================ */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Heritage Botanical Theme Palette */
  --color-forest: #1E3A2B;           /* Deep Himalayan Forest Green */
  --color-terracotta: #A64B2A;       /* Warm Nepalese Terracotta Red */
  --color-parchment: #FDFBF7;        /* Raw Organic Parchment Cream */
  --color-gold: #D4AF37;             /* Subdued Royal Gold */

  /* Font families */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ---- LIGHT MODE (Default) ---- */
:root,
[data-theme='light'] {
  --color-bg: #FDFBF7;               /* Raw Parchment Cream */
  --color-surface: #FFFFFF;          /* Pure White (cards, panels) */
  --color-surface-2: #F3F0EA;        /* Warm Stone Cream */
  --color-surface-offset: #FDFBF7;
  --color-divider: #E6E1D7;
  --color-border: #D8D2C4;
  --color-text: #1E3A2B;             /* Deep Himalayan Forest Green Text */
  --color-text-muted: #4A564E;
  --color-text-faint: #859189;
  --color-text-inverse: #FFFFFF;
  --color-text-on-primary: #FFFFFF;
  --color-bar-bg: #1E3A2B;
  --color-bar-text: #FDFBF7;
  --color-primary: #1E3A2B;          /* Deep Forest Green */
  --color-primary-hover: #15291E;
  --color-primary-active: #0D1B13;
  --color-primary-highlight: #EAF0EC;
  --color-accent: #A64B2A;           /* Warm Terracotta Red Accent */
  --color-accent-hover: #8C3C1F;

  --shadow-sm: 0 1px 3px rgba(30, 58, 43, 0.06), 0 1px 2px rgba(30, 58, 43, 0.04);
  --shadow-md: 0 8px 24px rgba(30, 58, 43, 0.1), 0 2px 6px rgba(30, 58, 43, 0.05);
  --shadow-lg: 0 20px 48px rgba(30, 58, 43, 0.15), 0 4px 12px rgba(30, 58, 43, 0.08);
}

/* ---- DARK MODE ---- */
[data-theme='dark'] {
  --color-bg: #0C0D0E;               /* Premium Matte Obsidian */
  --color-surface: #141618;          /* Rich Dark Slate */
  --color-surface-2: #1E2024;
  --color-surface-offset: #101113;
  --color-divider: rgba(255, 255, 255, 0.08);
  --color-border: rgba(244, 208, 111, 0.22);
  --color-text: #FAF9F6;             /* Warm Alabaster White - High Contrast */
  --color-text-muted: #D1D5DB;       /* Bright Readable Silver */
  --color-text-faint: #9CA3AF;
  --color-text-inverse: #0C0D0E;
  --color-text-on-primary: #0C0D0E;
  --color-bar-bg: #08090A;
  --color-bar-text: #FAF9F6;
  --color-primary: #F4D06F;          /* Luminous Honey Gold */
  --color-primary-hover: #F7DC8D;
  --color-primary-active: #CA9C25;
  --color-primary-highlight: rgba(244, 208, 111, 0.12);
  --color-accent: #52E085;           /* Himalayan Botanical Green */
  --color-accent-hover: #22C55E;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(244, 208, 111, 0.05);
  --shadow-lg: 0 24px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(244, 208, 111, 0.08);
}

/* Default fallback if data-theme is unset */
:root:not([data-theme]) {
  --color-bg: #FDFBF7;
  --color-surface: #FFFFFF;
  --color-surface-2: #F3F0EA;
  --color-surface-offset: #FDFBF7;
  --color-divider: #E6E1D7;
  --color-border: #D8D2C4;
  --color-text: #1E3A2B;
  --color-text-muted: #4A564E;
  --color-text-faint: #859189;
  --color-text-inverse: #FFFFFF;
  --color-text-on-primary: #FFFFFF;
  --color-bar-bg: #1E3A2B;
  --color-bar-text: #FDFBF7;
  --color-primary: #1E3A2B;
  --color-primary-hover: #15291E;
  --color-primary-active: #0D1B13;
  --color-primary-highlight: #EAF0EC;
  --color-accent: #A64B2A;
  --color-accent-hover: #8C3C1F;
}

/* base.css */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
ul[role='list'],
ol[role='list'] {
  list-style: none;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
  line-height: 1.15;
}
p,
li,
figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: oklch(from var(--color-primary) l c h / 0.25);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@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;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}
table {
  border-collapse: collapse;
  width: 100%;
}

a,
button,
[role='button'],
[role='link'],
input,
textarea,
select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.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;
}
