/* =====================================================
   마음부고 Design System
   Tokens: colors + typography
   Direction: 따뜻하고 고급스러운 (warm & luxurious)
   ===================================================== */

/* Webfonts (Korean) — Noto Serif KR for headings, Pretendard for body */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@300;400;500;600;700;900&family=Nanum+Myeongjo:wght@400;700;800&display=swap');

:root {
  /* =====================================================
     COLOR — Dark Obsidian (primary, refined-mourning)
     Base #0d0d0f · Accent #e8cfa0
     ===================================================== */

  /* Surface — obsidian / dark layered */
  --paper-0:   #0d0d0f;   /* page background, deepest */
  --paper-1:   #15151a;   /* card / elevated surface */
  --paper-2:   #1d1d23;   /* inset / divider tone */
  --paper-3:   #2a2a32;   /* subtle border */

  /* Ink — light cream tones (inverted for dark base) */
  --ink-900:   #f4ead4;   /* primary text */
  --ink-700:   #d9cdb0;   /* secondary text */
  --ink-500:   #908475;   /* tertiary text, captions */
  --ink-300:   #5e574d;   /* muted, hint */

  /* Gold — warm cream accent #e8cfa0 family */
  --gold-700:  #b89968;   /* deep gold, text-on-paper */
  --gold-600:  #d4b481;   /* primary hover lift */
  --gold-500:  #e8cfa0;   /* PRIMARY accent */
  --gold-400:  #efdcb5;   /* highlight */
  --gold-300:  #f5e7c9;   /* tint */
  --gold-100:  rgba(232, 207, 160, 0.12);   /* gold wash bg */

  /* Sangju — warm crimson for 상주/근조 emphasis (sparingly) */
  --sangju-700: #8a2a22;
  --sangju-500: #c0463a;

  /* Ceremonial whites — softened for dark base */
  --chrysanthemum: #f4ead4;  /* near-white floral */
  --linen:         #ebe0c4;

  /* Status (warm-tinted) */
  --status-success: #5a7a3f;
  --status-error:   #a23028;
  --status-warn:    #b8841f;
  --status-info:    #4a6378;

  /* Semantic — light theme (default) */
  --bg-page:      var(--paper-0);
  --bg-surface:   var(--paper-1);
  --bg-sunken:    var(--paper-2);
  --bg-overlay:   rgba(0, 0, 0, 0.7);

  --fg-primary:   var(--ink-900);
  --fg-secondary: var(--ink-700);
  --fg-tertiary:  var(--ink-500);
  --fg-muted:     var(--ink-300);
  --fg-on-gold:   #0d0d0f;

  --accent:       var(--gold-500);
  --accent-hover: var(--gold-400);
  --accent-deep:  var(--gold-600);
  --accent-tint:  var(--gold-100);

  --border-subtle: var(--paper-2);
  --border-strong: var(--paper-3);
  --border-gold:   var(--gold-500);

  /* Gradients (used very sparingly — gold leaf accents only) */
  --gradient-gold-leaf: linear-gradient(135deg, #d4b481 0%, #f5e7c9 50%, #b89968 100%);
  --gradient-paper:     linear-gradient(180deg, #0d0d0f 0%, #15151a 100%);
  --gradient-rule:      linear-gradient(90deg, transparent, var(--gold-500), transparent);

  /* =====================================================
     TYPOGRAPHY
     ===================================================== */
  --font-serif:  'Noto Serif KR', 'Nanum Myeongjo', 'Apple SD Gothic Neo', serif;
  --font-sans:   'Pretendard', 'Pretendard Variable', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-display:'Noto Serif KR', 'Nanum Myeongjo', serif;
  --font-han:    'Nanum Myeongjo', 'Noto Serif KR', serif;  /* for 告/訃 hanja glyphs */

  /* Type scale — slightly compressed, dignified */
  --fs-display: 3rem;      /* 48px — hero */
  --fs-h1:      2.25rem;   /* 36px */
  --fs-h2:      1.75rem;   /* 28px */
  --fs-h3:      1.375rem;  /* 22px */
  --fs-h4:      1.125rem;  /* 18px */
  --fs-body:    1rem;      /* 16px */
  --fs-small:   0.875rem;  /* 14px */
  --fs-caption: 0.75rem;   /* 12px */

  --lh-tight:   1.2;
  --lh-snug:    1.4;
  --lh-normal:  1.65;
  --lh-loose:   1.85;

  --ls-tight:  -0.02em;
  --ls-normal: 0;
  --ls-wide:    0.04em;
  --ls-wider:   0.12em;

  /* Weights */
  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  /* =====================================================
     SPACING — 4px base
     ===================================================== */
  --space-1:  0.25rem;   /*  4 */
  --space-2:  0.5rem;    /*  8 */
  --space-3:  0.75rem;   /* 12 */
  --space-4:  1rem;      /* 16 */
  --space-5:  1.5rem;    /* 24 */
  --space-6:  2rem;      /* 32 */
  --space-7:  3rem;      /* 48 */
  --space-8:  4rem;      /* 64 */
  --space-9:  6rem;      /* 96 */

  /* =====================================================
     RADII — modest, paper-feel
     ===================================================== */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* =====================================================
     SHADOWS — warm, low-spread (paper resting on paper)
     ===================================================== */
  --shadow-xs: 0 1px 1px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 1px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.35);
  --shadow-gold:0 0 0 1px rgba(232, 207, 160, 0.3), 0 8px 24px rgba(232, 207, 160, 0.12);

  /* Inset for sunken / pressed */
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.4);

  /* =====================================================
     MOTION
     ===================================================== */
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out:cubic-bezier(0.65, 0, 0.35, 1);
  --ease-emph:  cubic-bezier(0.16, 1, 0.3, 1);

  --dur-fast:   150ms;
  --dur-base:   240ms;
  --dur-slow:   400ms;

  /* =====================================================
     LAYOUT
     ===================================================== */
  --container-sm:  640px;
  --container-md:  860px;
  --container-lg: 1120px;
  --container-xl: 1280px;
}

/* =====================================================
   DARK / 추모 (memorial) variant — preserved for night mode
   Inherits warm tonality, not pure black
   ===================================================== */
[data-theme='night'] {
  --bg-page:      #14110d;
  --bg-surface:   #1d1814;
  --bg-sunken:    #2a2218;
  --bg-overlay:   rgba(0, 0, 0, 0.7);

  --fg-primary:   #f5ead0;
  --fg-secondary: #d9c89a;
  --fg-tertiary:  #a59783;
  --fg-muted:     #6b5d4d;

  --accent:       var(--gold-400);
  --accent-hover: var(--gold-300);
  --accent-deep:  var(--gold-500);
  --accent-tint:  rgba(214, 178, 90, 0.12);

  --border-subtle: #2a2218;
  --border-strong: #3a2f25;
}

/* =====================================================
   SEMANTIC ELEMENT DEFAULTS
   ===================================================== */
html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--fg-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'palt' 1, 'kern' 1;
}

h1, h2, h3, h4, .h-display {
  font-family: var(--font-serif);
  font-weight: var(--fw-medium);
  color: var(--fg-primary);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin: 0;
}

.h-display { font-size: var(--fs-display); font-weight: var(--fw-light); letter-spacing: -0.025em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: var(--fw-semibold); }
h4 {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  font-family: var(--font-sans);
}

p {
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--fg-secondary);
  margin: 0;
}

.t-han {
  font-family: var(--font-han);
  font-weight: var(--fw-regular);
  color: var(--accent-deep);
  letter-spacing: 0;
}

.t-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--fg-tertiary);
}

.t-caption {
  font-size: var(--fs-caption);
  color: var(--fg-tertiary);
  line-height: var(--lh-snug);
}

.t-num {
  font-feature-settings: 'tnum' 1;
  font-variant-numeric: tabular-nums;
}

a {
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
a:hover { border-bottom-color: var(--accent); color: var(--accent); }

hr {
  border: none;
  height: 1px;
  background: var(--gradient-rule);
  margin: var(--space-6) 0;
}

::selection { background: var(--gold-500); color: #0d0d0f; }