/* Shared: night-mode palette, the Konami stamp, and the theme toggle.
   Loaded on every page. Dark overrides only bite on the standard
   "paper document" pages that define --paper / --ink. */

/* ── Night reading mode ─────────────────────────────────────────
   Scoped to body.paper: only the standard manuscript pages flip.
   Bespoke pages (awards hall, gym, budget...) own their palettes. */
html.dark body.paper {
  --paper:      #16150f;
  --ink:        #f0ead9;
  --ink-med:    #cbc6b6;
  --ink-soft:   #969184;
  --ink-faint:  #6f6b5c;
  --ink-ghost:  #4c4940;
  --rule:       #3a3830;
  --rule-light: #2a2822;
  background: var(--paper); color: var(--ink);
}

/* Bits that hardcode the light paper colour need a hand in the dark. */
html.dark body.paper .topbar {
  background: rgba(22, 21, 15, 0.9);
  border-bottom-color: rgba(240, 234, 217, 0.08);
}
html.dark body.paper .hero-caption {
  background: linear-gradient(to top, rgba(22,21,15,0.9) 0%, transparent 100%);
}
html.dark body.paper .hero-president,
html.dark body.paper .hero-img-wrap { background: var(--paper); }
html.dark body.paper .plate-frame img,
html.dark body.paper .hero-img-wrap img,
html.dark body.paper .author-photo { filter: grayscale(35%) contrast(1.02) brightness(0.92); }
html.dark body.paper .plate:hover .plate-frame img { filter: grayscale(0%) contrast(1.03) brightness(0.98); }
html.dark body.paper .form-status.ok  { color: #6fbf8e; }
html.dark body.paper .form-status.err { color: #e08a8a; }

/* ── Theme toggle button (floating, bottom-right) ───────────── */
.theme-toggle {
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  z-index: 300;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 0.5px solid var(--ink-ghost, #ccccbb);
  border-radius: 50%;
  background: var(--paper, #fffff8);
  color: var(--ink-soft, #666660);
  font-family: var(--mono, monospace);
  font-size: 0.9rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, transform 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.theme-toggle:hover { color: var(--ink, #111); border-color: var(--ink-faint, #999); transform: translateY(-2px); }
.theme-toggle:active { transform: translateY(0); }

@media print { .theme-toggle { display: none !important; } }

/* ── Konami-code ink stamp ──────────────────────────────────── */
.stamp {
  position: fixed; top: 42%; left: 50%; z-index: 9999;
  transform: translate(-50%, -50%) rotate(-11deg) scale(1.5);
  opacity: 0; pointer-events: none;
  font-family: var(--mono, monospace); color: #c23b2e;
  border: 3px double #c23b2e; border-radius: 10px;
  padding: 0.55rem 1.5rem 0.7rem; text-align: center;
  background: rgba(194,59,46,0.06);
  box-shadow: inset 0 0 0 1px rgba(194,59,46,0.2);
  text-transform: uppercase;
}
html.dark .stamp { color: #e8837a; border-color: #e8837a; }
.stamp .stamp-main { display: block; font-size: 2.3rem; font-weight: 700; letter-spacing: 0.14em; line-height: 1; }
.stamp .stamp-sub  { display: block; font-size: 0.68rem; letter-spacing: 0.34em; margin-top: 0.45rem; }
.stamp.show { animation: stampIn 0.45s cubic-bezier(.2,1.5,.4,1) forwards; }
.stamp.hide { transition: opacity 0.6s ease; opacity: 0 !important; }
@keyframes stampIn {
  0%   { opacity: 0; transform: translate(-50%,-50%) rotate(-11deg) scale(1.7); }
  55%  { opacity: 1; transform: translate(-50%,-50%) rotate(-11deg) scale(0.9); }
  100% { opacity: 1; transform: translate(-50%,-50%) rotate(-11deg) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .stamp.show { animation: none; opacity: 1; transform: translate(-50%,-50%) rotate(-11deg) scale(1); }
}

/* ── Whisper: a margin note in Akshat's voice (bottom-left) ──── */
.whisper {
  position: fixed; left: 2.2rem; bottom: 2.2rem; z-index: 320;
  max-width: 300px;
  padding: 0.15rem 0 0.15rem 1.05rem;
  border-left: 1.5px solid var(--ink, #111110);
  background: var(--paper, #fffff8);
  /* a soft wash of paper, not a floating card shadow */
  box-shadow: 0 0 24px 9px var(--paper, #fffff8);
  font-family: var(--serif, 'EB Garamond', Georgia, serif);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink-med, #333330);
  text-wrap: pretty;
  opacity: 0; transform: translateX(-10px);
  transition: opacity 0.55s ease, transform 0.6s cubic-bezier(.2,.7,.3,1);
  pointer-events: none;
}
.whisper.show { opacity: 1; transform: translateX(0); }
@media print { .whisper { display: none !important; } }
@media (max-width: 700px) { .whisper { left: 1.3rem; bottom: 1.3rem; max-width: 76vw; font-size: 0.94rem; } }

/* ── Command palette: the index card ────────────────────────── */
.palette-veil {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(20, 19, 14, 0.45);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s ease;
}
.palette-veil.open { opacity: 1; pointer-events: all; }
.palette {
  position: fixed; z-index: 401;
  top: 18vh; left: 50%;
  width: min(480px, calc(100vw - 2.4rem));
  transform: translateX(-50%) translateY(6px);
  background: var(--paper, #fffff8);
  border: 1px solid var(--ink, #111110);
  box-shadow: 0 18px 60px rgba(0,0,0,0.25);
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.palette.open { opacity: 1; pointer-events: all; transform: translateX(-50%) translateY(0); }
.palette-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 0.55rem 0.9rem 0;
  font-family: var(--mono, monospace); font-size: 0.56rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-faint, #999990);
}
.palette input {
  width: 100%; background: transparent; border: none; outline: none;
  border-bottom: 0.5px solid var(--rule, #d0d0c0);
  padding: 0.65rem 0.9rem 0.7rem;
  font-family: var(--serif, Georgia, serif); font-style: italic;
  font-size: 1.05rem; color: var(--ink, #111110);
}
.palette input::placeholder { color: var(--ink-ghost, #ccccbb); font-style: italic; }
.palette-list { max-height: 300px; overflow-y: auto; padding: 0.35rem 0 0.45rem; }
.palette-item {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: 0.42rem 0.9rem;
  cursor: pointer;
  border-left: 2px solid transparent;
}
.palette-item .pi-name { font-family: var(--serif, Georgia, serif); font-size: 0.97rem; color: var(--ink, #111110); }
.palette-item .pi-note { font-family: var(--mono, monospace); font-size: 0.58rem; letter-spacing: 0.05em; color: var(--ink-faint, #999990); white-space: nowrap; }
.palette-item.active, .palette-item:hover {
  border-left-color: var(--ink, #111110);
  background: rgba(0,0,0,0.035);
}
html.dark .palette-item.active, html.dark .palette-item:hover { background: rgba(255,255,255,0.05); }
.palette-empty {
  font-family: var(--serif, Georgia, serif); font-style: italic;
  font-size: 0.9rem; color: var(--ink-soft, #666660);
  padding: 0.8rem 0.9rem 0.9rem;
}
@media print { .palette, .palette-veil { display: none !important; } }

/* ── Cite-on-select chip ────────────────────────────────────── */
.cite-chip {
  position: fixed; z-index: 380;
  font-family: var(--mono, monospace); font-size: 0.6rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink, #111110); background: var(--paper, #fffff8);
  border: 0.5px solid var(--ink-faint, #999990);
  padding: 0.28rem 0.6rem; cursor: pointer;
  box-shadow: 0 0 14px 4px var(--paper, #fffff8);
  opacity: 0; transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}
.cite-chip.show { opacity: 1; transform: translateY(0); pointer-events: all; }
.cite-chip:hover { border-color: var(--ink, #111110); }
@media print { .cite-chip { display: none !important; } }

/* ── Soft page transitions ──────────────────────────────────── */
html.page-fade body { transition: opacity 0.15s ease; }
html.page-fade.leaving body { opacity: 0; }

/* ── Poke bubble (clicking the author photo) ────────────────── */
.poke-bubble {
  position: fixed; z-index: 320;
  font-family: var(--serif, 'EB Garamond', Georgia, serif); font-style: italic;
  font-size: 0.9rem; letter-spacing: 0.01em;
  color: var(--ink, #111110); background: var(--paper, #fffff8);
  border: 0.5px solid var(--ink-faint, #999990);
  padding: 0.24rem 0.72rem; white-space: nowrap;
  box-shadow: 0 0 16px 5px var(--paper, #fffff8);
  opacity: 0; transition: opacity 0.22s ease;
  pointer-events: none;
}
.poke-bubble.show { opacity: 1; }
.poke-bubble::after {
  content: ""; position: absolute; left: 50%; bottom: -4.5px;
  width: 8px; height: 8px; background: var(--paper, #fffff8);
  border-right: 0.5px solid var(--ink-faint, #999990);
  border-bottom: 0.5px solid var(--ink-faint, #999990);
  transform: translateX(-50%) rotate(45deg);
}
@keyframes pokeWiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-7deg); }
  75% { transform: rotate(7deg); }
}
.poke { animation: pokeWiggle 0.4s ease; }

/* ── Nav overlay laid out in two columns ────────────────────────
   With nine destinations a single centred column overran the
   viewport and clipped "Home". Two columns keeps it all on screen. */
.nav-overlay .nav-cols {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(5, auto);
  column-gap: clamp(2rem, 6vw, 4.5rem);
  row-gap: 0.1rem;
}
@media (max-width: 560px) {
  .nav-overlay .nav-cols { column-gap: 1.5rem; }
}