/* ============================================================
   Baron Mind Stream — base.css
   Shared design tokens, components, and layout primitives.
   Each page sets only --accent in its own <style> block.
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
  /* Core palette (dark mode defaults) */
  --bg: #0f1115;
  --fg: #c9cdd5;
  --fg-body: #b8bcc4;
  --muted: #8a8f98;
  --card: #161a22;
  --border: #262b36;
  --chip: rgba(255,255,255,0.06);
  /* --accent: set per-page */

  /* Jewel palette (nav pills, accents) */
  --j-blue: #4f6df5;
  --j-green: #9ece6a;
  --j-orange: #ff9e64;
  --j-amber: #e0af68;
  --j-teal: #2dd4bf;
  --j-ruby: #e74c6f;
  --j-purple: #a855f7;
  --j-slate: #565f89;
  --j-gold: #f5c542;

  /* Tier rail colors */
  --tier0: rgba(34,197,94,0.70);
  --tier1: rgba(59,130,246,0.72);
  --tier2: rgba(249,115,22,0.72);
  --tier3: rgba(20,184,166,0.68);
  --tier4: rgba(239,68,68,0.72);
  --tier5: rgba(245,158,11,0.70);
  --tier6: rgba(168,85,247,0.62);
  --tier7: rgba(124,58,237,0.55);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg-body);
  line-height: 1.65;
}

/* ---- Typography ---- */
h1, h2, h3 { color: var(--fg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.15rem 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

/* ---- Header ---- */
header {
  padding: 1.75rem 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  border-image: linear-gradient(90deg, var(--border), var(--accent), var(--border)) 1;
  text-align: center;
}
header img {
  width: 110px;
  height: auto;
  border-radius: 12px;
  margin-bottom: 0.75rem;
}
header h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0.04em;
}
header p {
  margin: 0.6rem auto 0;
  color: var(--muted);
  max-width: 920px;
  padding: 0 0.5rem;
}

/* ---- Nav Pills ---- */
.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.pill {
  flex: 0 0 auto;
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-size: 0.9rem;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.pill:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}

/* Jewel-colored pills via data-c attribute */
.pill[data-c="home"]  { color: #c9cdd5; border-color: #c9cdd5; }
.pill[data-c="blue"]  { color: var(--j-blue); border-color: var(--j-blue); }
.pill[data-c="green"] { color: var(--j-green); border-color: var(--j-green); }
.pill[data-c="amber"] { color: var(--j-amber); border-color: var(--j-amber); }
.pill[data-c="teal"]  { color: var(--j-teal); border-color: var(--j-teal); }
.pill[data-c="purple"]{ color: var(--j-purple); border-color: var(--j-purple); }
.pill[data-c="slate"] { color: var(--j-slate); border-color: var(--j-slate); }
.pill[data-c="ruby"]  { color: var(--j-ruby); border-color: var(--j-ruby); }
.pill[data-c="gold"]  { color: var(--j-gold); border-color: var(--j-gold); }
.pill[data-c]:hover   { background: rgba(255,255,255,0.06); }

/* Active page glow — uses page --accent via color-mix */
.pill.glow {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Layout ---- */
main {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.25rem 1.25rem 3rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.row > div { min-width: 0; }

/* ---- Components ---- */

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Chip */
.chip {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  font-size: 0.85rem;
  color: var(--muted);
  margin-right: 0.35rem;
  margin-top: 0.35rem;
  white-space: nowrap;
}

/* Button */
.btn {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  color: var(--fg);
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* Select */
select {
  background: rgba(255,255,255,0.02);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  font-size: 0.95rem;
  outline: none;
  min-width: 0;
  width: min(520px, 100%);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
select:focus { border-color: var(--accent); }

/* Meta / Notes */
h2 { margin: 0 0 0.75rem; font-size: 1.35rem; }
.meta { color: var(--muted); font-size: 0.95rem; margin-top: 0.25rem; max-width: 100%; }
.note { color: var(--muted); font-size: 0.95rem; }
.error { color: var(--muted); font-size: 0.95rem; }
.error strong { color: var(--fg); }

.preview { border-top: 1px solid var(--border); margin-top: 1rem; padding-top: 1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}
.empty-state p { margin-bottom: 0.5rem; }

/* ---- Archive Groups (digests + essays) ---- */
.archive-group { margin-bottom: 0.75rem; }
.archive-group summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  color: var(--fg);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.archive-group summary::-webkit-details-marker { display: none; }
.archive-group summary::after {
  content: '+';
  color: var(--muted);
  font-size: 1rem;
}
.archive-group[open] summary::after { content: '\2212'; }
.archive-group .count {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
  margin-left: 0.5rem;
}
.archive-group ul { margin: 0.5rem 0 0 1.25rem; padding: 0; }
.archive-group li { margin-bottom: 0.4rem; font-size: 0.95rem; }
.archive-group.current-section { margin-bottom: 1rem; }
.archive-group.current-section summary { color: var(--accent); }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  border-image: linear-gradient(90deg, var(--border), var(--accent), var(--border)) 1;
  padding: 1.25rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .topnav {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 0 0.15rem 0.35rem;
  }
  .topnav::-webkit-scrollbar { display: none; }

  .actions {
    width: 100%;
    justify-content: flex-start;
    align-items: stretch;
  }
  .actions label { width: 100%; }
  .actions select { width: 100%; }
  .actions .btn { width: 100%; text-align: center; }
}

@media (max-width: 520px) {
  .chip { font-size: 0.82rem; padding: 0.22rem 0.5rem; }
  header h1 { font-size: 1.8rem; }
}

/* ---- NEW Badge ---- */
.badge-new {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--j-amber);
  color: #1a1b26;
  margin-left: 6px;
  vertical-align: middle;
  animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ---- Accessibility ---- */
@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;
  }
}