/* =====================================================
   Destiny Toolkit — Design System
   Monument of Triumph · June 9, 2026
   ===================================================== */

/* --- Tokens --- */
:root {
  --bg:           #060d1a;
  --surface:      #0d1a2e;
  --surface-alt:  #111e33;
  --nav-bg:       #0a1628;
  --accent:       #4d9fff;
  --accent-dim:   #2a5a99;
  --text-primary: #e8f4ff;
  --text-muted:   #c8ddf0;
  --text-dim:     #7a9bbf;
  --border:       #1a2e4a;
  --border-alt:   #243a58;

  --callout-green-bg:     #0e2a12;
  --callout-green-border: #4caf50;
  --callout-blue-bg:      #0a1e33;
  --callout-blue-border:  #4d9fff;
  --callout-yellow-bg:    #221a00;
  --callout-yellow-border:#ffc107;
  --callout-red-bg:       #220a0a;
  --callout-red-border:   #f44336;
  --callout-gray-bg:      #111828;
  --callout-gray-border:  #4a5a72;

  --radius: 6px;
  --nav-height: 56px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

strong { color: var(--text-primary); font-weight: 600; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-brand {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand:hover { text-decoration: none; color: var(--text-primary); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.nav-links a {
  display: block;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text-primary); background: var(--surface); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: rgba(77,159,255,0.1); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  margin-left: auto;
}

/* --- Page Layout --- */
.page-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* --- Hero (home page only) --- */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 2rem;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.hero-sub {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

/* --- Nav Cards (home page) --- */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.nav-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}
.nav-card:hover {
  border-color: var(--accent-dim);
  background: var(--surface-alt);
  transform: translateY(-1px);
  text-decoration: none;
}

.nav-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.nav-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.nav-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}
.nav-card-arrow {
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 1rem;
  display: block;
}

/* --- Typography --- */
h1 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 1.25rem 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}
p:last-child { margin-bottom: 0; }

/* --- Page Header --- */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.page-meta {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

/* --- Callouts --- */
.callout {
  border-left: 3px solid;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.75rem 1rem;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.callout p { margin: 0; font-size: 0.9rem; }

.callout-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.callout-green {
  background: var(--callout-green-bg);
  border-color: var(--callout-green-border);
}
.callout-green .callout-label { color: var(--callout-green-border); }

.callout-blue {
  background: var(--callout-blue-bg);
  border-color: var(--callout-blue-border);
}
.callout-blue .callout-label { color: var(--callout-blue-border); }

.callout-yellow {
  background: var(--callout-yellow-bg);
  border-color: var(--callout-yellow-border);
}
.callout-yellow .callout-label { color: var(--callout-yellow-border); }

.callout-red {
  background: var(--callout-red-bg);
  border-color: var(--callout-red-border);
}
.callout-red .callout-label { color: var(--callout-red-border); }

.callout-gray {
  background: var(--callout-gray-bg);
  border-color: var(--callout-gray-border);
}

/* Type badge (DUNGEON, VAULTED, etc.) */
.type-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--callout-gray-border);
  border-radius: var(--radius);
  background: var(--callout-gray-bg);
  margin-bottom: 0.75rem;
}

/* --- Linked Page Blocks --- */
.linked-pages { margin: 0.5rem 0 1rem; }

.linked-page-item {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  margin-bottom: 0.5rem;
  transition: border-color 0.15s;
}
a.linked-page-item:hover {
  border-color: var(--accent-dim);
  background: var(--surface-alt);
  text-decoration: none;
}

.linked-page-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.linked-page-title::before { content: "↗"; font-size: 0.75rem; }
.linked-page-item.no-link .linked-page-title {
  color: var(--text-dim);
}
.linked-page-item.no-link .linked-page-title::before { content: "→"; }

.linked-page-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0.2rem 0 0;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { margin: 0 0.4rem; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.back-link::before { content: "←"; }
.back-link:hover { color: var(--accent); text-decoration: none; }

/* --- Reward list --- */
.reward-list {
  list-style: none;
  margin: 0.5rem 0 0.75rem;
}
.reward-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  display: flex;
  gap: 0.5rem;
}
.reward-list li::before { content: "—"; color: var(--text-dim); flex-shrink: 0; }

/* --- Encounter section --- */
.encounter {
  margin-top: 1.75rem;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  text-align: center;
}
.footer-inner {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--accent); }
.footer-sep { color: var(--border-alt); }

.footer-patch {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
  letter-spacing: 0.05em;
}

/* --- Responsive --- */
@media (max-width: 700px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 0.5rem 1rem 1rem;
    gap: 0.1rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.6rem 0.75rem; font-size: 0.9rem; }
  .nav-toggle { display: block; }
  .nav-inner { position: relative; }

  h1 { font-size: 1.5rem; }
  .page-content { padding: 1.5rem 1rem 3rem; }
  .nav-cards { padding: 0 1rem 3rem; }
}