/* ====================================================================
 * PoEwangelicku.pl — design system v2 (2026-05-18)
 *
 * Modern CSS:
 *   - oklch() perceptually uniform colors
 *   - @property animated custom props
 *   - light/dark auto with system preference + manual override
 *   - liturgical accent injected from server (--accent / --accent-name)
 *   - container queries (@container)
 *   - View Transitions API
 *   - scroll-driven animations
 *   - text-wrap: pretty/balance
 *   - cascade layers
 *
 * 3 persony entry → bento layout → AI bubble pinned
 * ==================================================================== */

@layer reset, base, layout, components, utilities;

/* ---------- @property tokens ---------- */
@property --accent { syntax: '<color>'; inherits: true; initial-value: #d9c98a; }
@property --halo   { syntax: '<percentage>'; inherits: false; initial-value: 0%; }

/* ---------- RESET ---------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body { min-height: 100svh; font-synthesis: none; -webkit-font-smoothing: antialiased; }
  img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
  button { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; }
  a { color: inherit; text-decoration: none; }
  [hidden], [x-cloak] { display: none !important; }
}

/* ---------- BASE TOKENS (light by default, with liturgical accent override) ---------- */
@layer base {
  :root {
    color-scheme: light dark;

    /* canvas */
    --paper:        oklch(98% 0.015  85);  /* kremowy papier */
    --paper-soft:   oklch(95% 0.018  85);
    --paper-deep:   oklch(91% 0.022  85);
    --ink:          oklch(20% 0.025 280);  /* prawie czarny węgiel */
    --ink-soft:     oklch(36% 0.025 280);
    --ink-dim:      oklch(55% 0.020 280);
    --line:         oklch(85% 0.020  85);
    --line-soft:    oklch(91% 0.015  85);

    /* gold (constant brand thread) */
    --gold:         oklch(72% 0.115  85);
    --gold-deep:    oklch(58% 0.115  85);

    /* liturgical accent: server sets --accent inline (oklch). Defaults to biały/gold. */
    --accent:       oklch(78% 0.08 85);
    --accent-soft:  oklch(from var(--accent) calc(l + 12%) calc(c * 0.6) h);
    --accent-deep:  oklch(from var(--accent) calc(l - 14%) c h);
    --accent-ghost: color-mix(in oklch, var(--accent) 14%, var(--paper));

    /* type */
    --font-display: 'Cormorant Garamond', ui-serif, Georgia, serif;
    --font-body:    'IBM Plex Sans', -apple-system, system-ui, sans-serif;
    --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

    /* rhythm */
    --r-1: clamp(0.25rem, 0.5vw, 0.4rem);
    --r-2: clamp(0.5rem, 1vw, 0.8rem);
    --r-3: clamp(1rem, 2vw, 1.6rem);
    --r-4: clamp(1.5rem, 3vw, 2.4rem);
    --r-5: clamp(2.5rem, 5vw, 4rem);
    --r-6: clamp(4rem, 8vw, 6.5rem);

    /* radius */
    --rad-s: 6px;
    --rad-m: 12px;
    --rad-l: 24px;
    --rad-full: 999px;
  }

  /* DARK */
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper:      oklch(13% 0.020 280);
      --paper-soft: oklch(17% 0.022 280);
      --paper-deep: oklch(22% 0.024 280);
      --ink:        oklch(94% 0.022  85);
      --ink-soft:   oklch(78% 0.020  85);
      --ink-dim:    oklch(58% 0.018  85);
      --line:       oklch(28% 0.022 280);
      --line-soft:  oklch(22% 0.020 280);
      --accent-ghost: color-mix(in oklch, var(--accent) 18%, var(--paper));
    }
  }
  :root[data-theme="dark"] {
    --paper:      oklch(13% 0.020 280);
    --paper-soft: oklch(17% 0.022 280);
    --paper-deep: oklch(22% 0.024 280);
    --ink:        oklch(94% 0.022  85);
    --ink-soft:   oklch(78% 0.020  85);
    --ink-dim:    oklch(58% 0.018  85);
    --line:       oklch(28% 0.022 280);
    --line-soft:  oklch(22% 0.020 280);
    --accent-ghost: color-mix(in oklch, var(--accent) 18%, var(--paper));
  }

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 350;
    font-size: 17px;
    line-height: 1.65;
    transition: background-color 0.4s ease, color 0.4s ease;
  }

  ::selection { background: var(--accent); color: var(--paper); }

  /* Liturgical pulse on the top of the page — always visible signal */
  body::before {
    content: '';
    position: fixed; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent) 40%, var(--accent) 60%, transparent);
    z-index: 100; pointer-events: none;
    animation: liturgical-glow 8s ease-in-out infinite;
  }
  @keyframes liturgical-glow {
    0%, 100% { opacity: 0.6; transform: translateX(-2%); }
    50%      { opacity: 1.0; transform: translateX(2%); }
  }

  /* Typography */
  h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.015em;
    text-wrap: balance;
  }
  h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
  h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
  h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
  p  { text-wrap: pretty; }
  p + p { margin-top: 0.8em; }
  em { color: var(--accent-deep); font-style: italic; }
  strong { font-weight: 500; color: var(--accent-deep); }

  a:hover { color: var(--accent-deep); }
}

/* ---------- LAYOUT ---------- */
@layer layout {
  .container { max-width: min(1280px, 92vw); margin-inline: auto; padding-inline: var(--r-2); }
  .narrow    { max-width: min(780px, 92vw); margin-inline: auto; padding-inline: var(--r-2); }

  .site-main { flex: 1; padding-block: var(--r-3); }
  body { display: flex; flex-direction: column; }

  /* View Transitions (browser-native page transitions) */
  @view-transition { navigation: auto; }
  ::view-transition-old(root), ::view-transition-new(root) {
    animation-duration: 300ms;
    animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  }
}

/* ---------- HEADER ---------- */
@layer components {
  .site-header {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in oklch, var(--paper) 85%, transparent);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--line-soft);
  }
  .header-row {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px; gap: var(--r-3);
  }
  .brand {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-display); font-weight: 600; font-size: 1.3rem;
    letter-spacing: 0.01em; color: var(--ink);
  }
  .brand-mark {
    display: inline-grid; place-items: center; width: 32px; height: 32px;
    border-radius: var(--rad-full);
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: var(--paper); font-weight: 700;
    box-shadow: 0 0 0 0 var(--accent); animation: ring 4s ease infinite;
  }
  @keyframes ring {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 30%, transparent); }
    50%      { box-shadow: 0 0 0 10px color-mix(in oklch, var(--accent) 0%, transparent); }
  }

  .site-nav { display: flex; gap: var(--r-3); align-items: center; font-size: 0.95rem; }
  .site-nav a {
    color: var(--ink-soft); padding: 0.5rem 0;
    position: relative; transition: color 0.18s;
  }
  .site-nav a::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
    background: var(--accent); transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .site-nav a:hover, .site-nav a.is-active { color: var(--ink); }
  .site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }

  .icon-btn {
    width: 36px; height: 36px; border-radius: var(--rad-full);
    border: 1px solid var(--line); color: var(--ink-soft);
    display: grid; place-items: center; transition: all 0.18s;
  }
  .icon-btn:hover { border-color: var(--accent); color: var(--accent); transform: scale(1.06); }

  /* ---------- HERO ---------- */
  .hero {
    padding-block: var(--r-6) var(--r-5);
    position: relative; overflow: hidden;
    container-type: inline-size;
  }
  .hero::before {
    content: ''; position: absolute; inset: 0;
    background:
      radial-gradient(60% 50% at 75% 30%, color-mix(in oklch, var(--accent) 18%, transparent), transparent 70%),
      radial-gradient(50% 40% at 15% 80%, color-mix(in oklch, var(--gold) 12%, transparent), transparent 70%);
    pointer-events: none;
  }
  .hero-inner { position: relative; display: grid; gap: var(--r-4); }
  .hero-eyebrow {
    font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--accent-deep);
    display: inline-flex; align-items: center; gap: 0.6rem;
  }
  .hero-eyebrow::before {
    content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 25%, transparent);
    animation: dot 2s ease-in-out infinite;
  }
  @keyframes dot { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.4); } }

  .hero-title {
    font-size: clamp(3rem, 8cqi, 6rem);
    max-width: 16ch; line-height: 1.02;
  }
  .hero-title em { font-style: italic; color: var(--accent-deep); font-weight: 400; }
  .hero-lead {
    font-size: clamp(1.05rem, 1.6cqi, 1.3rem);
    color: var(--ink-soft); max-width: 56ch; line-height: 1.55;
  }

  /* ---------- 3 PERSONY (path picker) ---------- */
  .paths {
    display: grid; gap: var(--r-3);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin-block: var(--r-4);
  }
  .path {
    position: relative; padding: var(--r-3); border-radius: var(--rad-l);
    background: var(--paper-soft); border: 1px solid var(--line-soft);
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s, background 0.25s;
    cursor: pointer; display: grid; gap: 0.75rem;
    overflow: hidden;
  }
  .path::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(120% 90% at 0% 0%, color-mix(in oklch, var(--accent) 16%, transparent), transparent 50%);
    opacity: 0; transition: opacity 0.3s;
    pointer-events: none;
  }
  .path:hover { transform: translateY(-4px); border-color: var(--accent); }
  .path:hover::after { opacity: 1; }
  .path-icon {
    width: 48px; height: 48px; border-radius: var(--rad-m);
    background: var(--paper-deep); display: grid; place-items: center;
    color: var(--accent-deep); font-size: 1.4rem;
  }
  .path h3 { font-size: 1.5rem; }
  .path-sub { color: var(--ink-soft); font-size: 0.95rem; }
  .path-cta { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.12em;
              color: var(--accent-deep); text-transform: uppercase; margin-top: 0.4rem; }
  .path-cta::after { content: ' →'; transition: margin-left 0.2s; }
  .path:hover .path-cta::after { margin-left: 4px; }

  /* ---------- LITURGICAL WHEEL ---------- */
  .wheel-section {
    padding-block: var(--r-5);
    background: linear-gradient(180deg, transparent, var(--paper-soft));
  }
  .wheel-card {
    display: grid; grid-template-columns: minmax(260px, 360px) 1fr; gap: var(--r-4);
    padding: var(--r-4); border-radius: var(--rad-l);
    background: var(--paper); border: 1px solid var(--line-soft);
    container-type: inline-size;
    box-shadow: 0 10px 40px -20px color-mix(in oklch, var(--accent) 30%, transparent);
  }
  @container (max-width: 720px) {
    .wheel-card { grid-template-columns: 1fr; }
  }
  .wheel-svg { width: 100%; height: auto; }
  .wheel-info { display: grid; gap: 0.8rem; align-content: center; }
  .wheel-info .badge {
    align-self: start;
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.3rem 0.8rem; border-radius: var(--rad-full);
    background: var(--accent-ghost); color: var(--accent-deep);
    font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .wheel-info h2 { font-size: clamp(1.6rem, 3cqi, 2.4rem); }
  .wheel-info p { color: var(--ink-soft); }

  /* ---------- BENTO TOOLS GRID ---------- */
  .bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(140px, auto);
    gap: var(--r-2);
    padding-block: var(--r-4);
  }
  .tool {
    position: relative; overflow: hidden;
    padding: var(--r-3); border-radius: var(--rad-l);
    background: var(--paper-soft); border: 1px solid var(--line-soft);
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.2s;
    display: flex; flex-direction: column; gap: 0.6rem;
  }
  .tool:hover { transform: translateY(-3px); border-color: var(--accent); }
  .tool .icon { font-size: 1.6rem; color: var(--accent-deep); line-height: 1; }
  .tool h3 { font-size: 1.2rem; }
  .tool p { color: var(--ink-soft); font-size: 0.92rem; flex: 1; }
  .tool .count { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-dim); letter-spacing: 0.08em; text-transform: uppercase; }
  .tool .arrow { color: var(--accent-deep); align-self: flex-end; font-size: 1.2rem; }

  .tool.size-lg  { grid-column: span 8; }
  .tool.size-md  { grid-column: span 6; }
  .tool.size-sm  { grid-column: span 4; }
  .tool.size-xs  { grid-column: span 3; }
  .tool.row-2    { grid-row: span 2; }

  @media (max-width: 900px) {
    .tool.size-lg, .tool.size-md { grid-column: span 12; }
    .tool.size-sm, .tool.size-xs { grid-column: span 6; }
  }
  @media (max-width: 520px) {
    .tool { grid-column: span 12 !important; }
  }

  /* Featured tool (hero card) */
  .tool-featured {
    background: linear-gradient(135deg, var(--accent-ghost), var(--paper-soft));
    border-color: var(--accent);
  }

  /* ---------- AI BUBBLE ---------- */
  .ai-bubble {
    position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem);
    z-index: 80; display: grid; gap: 0.8rem; pointer-events: auto;
  }
  .ai-trigger {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.8rem 1.2rem; border-radius: var(--rad-full);
    background: var(--ink); color: var(--paper);
    box-shadow: 0 12px 40px -10px color-mix(in oklch, var(--ink) 50%, transparent);
    border: 1px solid color-mix(in oklch, var(--accent) 40%, transparent);
    font-size: 0.95rem; font-weight: 450;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .ai-trigger:hover { transform: translateY(-2px); box-shadow: 0 16px 48px -10px color-mix(in oklch, var(--accent) 50%, transparent); }
  .ai-trigger .pulse {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--accent); position: relative;
  }
  .ai-trigger .pulse::after {
    content: ''; position: absolute; inset: -3px; border-radius: 50%;
    border: 2px solid var(--accent); opacity: 0.6;
    animation: pulse 1.6s ease-out infinite;
  }
  @keyframes pulse {
    0%   { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(2.0); opacity: 0; }
  }

  .ai-panel {
    width: min(380px, 90vw); max-height: 70vh;
    background: var(--paper); color: var(--ink);
    border: 1px solid var(--line); border-radius: var(--rad-l);
    box-shadow: 0 30px 80px -20px color-mix(in oklch, var(--ink) 30%, transparent);
    display: flex; flex-direction: column; overflow: hidden;
  }
  .ai-head {
    padding: var(--r-2) var(--r-3); border-bottom: 1px solid var(--line-soft);
    display: flex; justify-content: space-between; align-items: center;
    background: var(--paper-soft);
  }
  .ai-head h4 { font-size: 1rem; font-family: var(--font-body); font-weight: 500; }
  .ai-body { padding: var(--r-3); overflow-y: auto; flex: 1; display: grid; gap: 0.8rem; }
  .ai-suggestion {
    text-align: left; padding: 0.7rem 0.9rem; border-radius: var(--rad-m);
    border: 1px solid var(--line-soft); background: var(--paper-soft);
    color: var(--ink-soft); font-size: 0.9rem; transition: all 0.18s;
    display: flex; align-items: center; gap: 0.6rem;
  }
  .ai-suggestion::before { content: '⟶'; color: var(--accent-deep); }
  .ai-suggestion:hover { border-color: var(--accent); background: var(--accent-ghost); color: var(--ink); }
  .ai-form { padding: var(--r-2) var(--r-3); border-top: 1px solid var(--line-soft); display: flex; gap: 0.5rem; }
  .ai-form input {
    flex: 1; padding: 0.7rem 0.9rem; border-radius: var(--rad-m);
    border: 1px solid var(--line); background: var(--paper); color: var(--ink);
    font: inherit;
  }
  .ai-form input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
  .ai-form button {
    padding: 0.7rem 1rem; border-radius: var(--rad-m);
    background: var(--accent); color: var(--paper); font-weight: 500;
  }
  .ai-msg {
    padding: 0.75rem 0.9rem; border-radius: var(--rad-m);
    background: var(--paper-soft); border: 1px solid var(--line-soft);
    font-size: 0.95rem; line-height: 1.55;
  }
  .ai-msg.user { background: var(--accent-ghost); border-color: color-mix(in oklch, var(--accent) 40%, var(--line-soft)); }

  .ai-sources { display: grid; gap: 0.5rem; margin-top: 0.5rem; }
  .ai-source {
    display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 0.6rem;
    padding: 0.6rem 0.8rem; background: var(--paper); border: 1px solid var(--line-soft);
    border-radius: var(--rad-m); color: var(--ink); transition: all 0.18s;
  }
  .ai-source:hover { border-color: var(--accent); transform: translateX(2px); }
  .ai-source-kind {
    font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--accent-deep);
  }
  .ai-source-score {
    font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-dim);
    align-self: start; justify-self: end;
  }
  .ai-source-title { font-weight: 500; font-size: 0.95rem; grid-column: 1 / 3; }
  .ai-source-snippet { color: var(--ink-soft); font-size: 0.82rem; line-height: 1.45; grid-column: 1 / 3; }

  /* ---------- BREADCRUMBS / PAGE ---------- */
  .breadcrumbs { padding-block: var(--r-3) var(--r-1); font-size: 0.85rem; color: var(--ink-dim); display: flex; gap: 0.5rem; align-items: center; }
  .breadcrumbs a { color: var(--ink-soft); border-bottom: 1px dotted var(--line); }
  .breadcrumbs a:hover { color: var(--accent-deep); }

  .page-header { padding-block: var(--r-4) var(--r-3); border-bottom: 1px solid var(--line-soft); margin-bottom: var(--r-4); }
  .page-header h1 { margin-bottom: 0.4rem; }
  .page-header .lead { color: var(--ink-soft); font-size: 1.1rem; max-width: 60ch; }

  /* PROSE (chapters, terms, stories) */
  .prose {
    font-size: 1.08rem; line-height: 1.75; color: var(--ink); max-width: 68ch;
  }
  .prose h2, .prose h3, .prose h4 { margin-top: 2.4rem; margin-bottom: 0.8rem; }
  .prose h2 { color: var(--accent-deep); }
  .prose h2::before { content: '§ '; color: var(--gold); font-family: var(--font-mono); font-weight: 400; opacity: 0.7; }
  .prose p { margin: 1.2em 0; }
  .prose p:first-child::first-letter {
    font-family: var(--font-display); font-size: 3.4em; line-height: 0.9;
    float: left; padding: 0.15em 0.1em 0 0; color: var(--accent-deep); font-weight: 500;
  }
  .prose ul, .prose ol { margin: 1em 0; padding-left: 1.5rem; }
  .prose li { margin: 0.4em 0; }
  .prose blockquote {
    margin: 2rem 0; padding: 0.5rem 0 0.5rem 1.5rem;
    border-left: 3px solid var(--accent);
    font-family: var(--font-display); font-style: italic; font-size: 1.3rem;
    color: var(--ink-soft); line-height: 1.5;
  }
  .prose code {
    background: var(--paper-deep); padding: 0.1rem 0.4rem; border-radius: 3px;
    font-family: var(--font-mono); font-size: 0.92em; color: var(--accent-deep);
  }
  .prose hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }
  .prose a { color: var(--accent-deep); border-bottom: 1px dotted var(--accent); }
  .prose a:hover { background: var(--accent-ghost); }

  /* ---------- FOOTER ---------- */
  .site-footer {
    background: var(--paper-soft); border-top: 1px solid var(--line-soft);
    padding-block: var(--r-3); margin-top: var(--r-5);
  }
  .footer-row {
    display: flex; flex-wrap: wrap; gap: var(--r-3); justify-content: space-between; align-items: center;
    font-size: 0.92rem; color: var(--ink-soft);
  }
  .site-footer strong { color: var(--ink); font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
}

/* ---------- UTILITIES ---------- */
@layer utilities {
  .muted { color: var(--ink-soft); }
  .small { font-size: 0.875rem; }
  .center { text-align: center; }
  .eyebrow {
    display: inline-block;
    font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--accent-deep); margin-bottom: 0.6rem;
  }

  /* scroll-driven entry animation */
  @supports (animation-timeline: view()) {
    .fade-up {
      animation: fade-up linear both;
      animation-timeline: view();
      animation-range: entry 5% cover 30%;
    }
    @keyframes fade-up {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
  }

  /* Stagger via @starting-style for entry */
  @supports (animation-timeline: view()) and (selector(:has(*))) {
    .stagger > * {
      animation: fade-up linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 25%;
    }
  }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 720px) {
  .hero { padding-block: var(--r-5) var(--r-4); }
  .site-nav { gap: 1rem; }
  .site-nav a:not(.is-active) { display: none; }
}

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