/* Solstice — Sun & Light Almanac
   Palette: midnight indigo + warm copper/gold */
:root{
  /* core */
  --bg-0:#0A0E26;
  --bg-1:#0E1430;
  --bg-2:#141B40;
  --bg-3:#1B2348;
  --ink:#F6EEDC;
  --ink-2:#D8CFB7;
  --ink-3:#A09DB8;
  --ink-4:#6C6F8C;

  /* accent */
  --amber:#E89C5C;
  --amber-2:#FFC773;
  --gold:#F4D4A5;
  --copper:#B47554;
  --cream:#F5EBD8;
  --indigo:#3B4878;
  --blueHr:#5C6FB0;
  --moon:#F4D4A5;

  /* surfaces */
  --surface:rgba(255,255,255,0.04);
  --surface-2:rgba(255,255,255,0.06);
  --stroke:rgba(244,212,165,0.10);
  --stroke-2:rgba(244,212,165,0.18);

  /* motion */
  --spring:cubic-bezier(.34,1.56,.64,1);
  --ease:cubic-bezier(.2,.7,.2,1);

  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,0.45), 0 2px 6px rgba(0,0,0,0.4);
}

[data-theme="copper"]{
  --bg-0:#15100B;
  --bg-1:#1F1410;
  --bg-2:#2B1B14;
  --bg-3:#3A2519;
  --amber:#B47554;
  --amber-2:#D29066;
  --gold:#E6BC8C;
  --cream:#F0DFC2;
  --indigo:#4E3221;
}
[data-theme="dusk"]{
  --bg-0:#120B1C;
  --bg-1:#1A1426;
  --bg-2:#241A36;
  --bg-3:#332544;
  --amber:#D17B7B;
  --amber-2:#E89E9E;
  --gold:#F0BFB8;
  --cream:#F5DDE0;
  --indigo:#5C4470;
}
[data-theme="aurora"]{
  --bg-0:#061212;
  --bg-1:#0A1A1A;
  --bg-2:#13282A;
  --bg-3:#1B3A3A;
  --amber:#7BD1A8;
  --amber-2:#A8E5C8;
  --gold:#C8F0DD;
  --cream:#E0F5EA;
  --indigo:#2E5C5C;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Heebo',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg-0);
  color:var(--ink);
  min-height:100vh;
  min-height:100dvh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"ss01","cv01";
}

.serif{font-family:'Frank Ruhl Libre',serif;font-weight:700;letter-spacing:-0.02em}
.italic{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}

/* ===== AMBIENT BG ===== */
.ambient-bg{
  position:fixed;inset:0;z-index:-1;overflow:hidden;
  background:
    radial-gradient(ellipse at 80% 0%, var(--bg-3) 0%, transparent 55%),
    radial-gradient(ellipse at 0% 60%, var(--bg-2) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}
.orb-blur{
  position:absolute;border-radius:50%;filter:blur(80px);opacity:0.4;
  animation:drift 28s ease-in-out infinite;
}
.orb-blur.o1{width:520px;height:520px;background:var(--amber);top:-120px;right:-80px;opacity:0.18}
.orb-blur.o2{width:420px;height:420px;background:var(--indigo);bottom:-140px;left:-80px;opacity:0.32;animation-delay:-6s}
.orb-blur.o3{width:320px;height:320px;background:var(--blueHr);top:40%;left:40%;opacity:0.18;animation-delay:-14s}
@keyframes drift{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(20px,-30px) scale(1.06)}
}
.grain{
  position:absolute;inset:0;opacity:0.07;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.3 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.stars{position:absolute;inset:0;pointer-events:none}
.stars span{position:absolute;width:2px;height:2px;background:var(--gold);border-radius:50%;opacity:0;animation:twinkle 4s ease-in-out infinite}
@keyframes twinkle{
  0%,100%{opacity:0;transform:scale(0.6)}
  50%{opacity:0.7;transform:scale(1)}
}

/* ===== TOPBAR ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  background:linear-gradient(180deg, rgba(10,14,38,0.85), rgba(10,14,38,0.55));
  border-bottom:1px solid var(--stroke);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:0.02em;font-size:18px}
.brand .mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--amber-2);background:radial-gradient(circle at 50% 60%, rgba(232,156,92,0.22), transparent 70%);border-radius:12px}
.brand .mark svg{width:26px;height:26px}

.header-actions{display:flex;gap:6px;align-items:center}
.icon-btn{
  background:transparent;border:1px solid var(--stroke);
  color:var(--ink-2);width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{background:var(--surface);color:var(--gold);border-color:var(--stroke-2);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.install-btn{
  background:linear-gradient(135deg, var(--amber), var(--amber-2));
  color:#1a1410;border:none;padding:8px 16px;border-radius:12px;font-weight:700;cursor:pointer;font-size:13px;
  box-shadow:0 6px 20px rgba(232,156,92,0.35);transition:all .25s var(--spring);
}
.install-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,156,92,0.45)}
.hidden{display:none}

/* ===== LAYOUT ===== */
main{max-width:1200px;margin:0 auto;padding:24px 20px 100px;display:flex;flex-direction:column;gap:22px}

/* ===== GLASS ===== */
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg, rgba(244,212,165,0.06) 0%, transparent 40%);
}

/* ===== HERO ===== */
.hero{
  position:relative;border-radius:24px;overflow:hidden;
  min-height:340px;display:flex;align-items:flex-end;
  border:1px solid var(--stroke-2);
  box-shadow:var(--shadow);
}
.hero-bg{
  position:absolute;inset:0;background-image:url("hero_bg.png");
  background-size:cover;background-position:center;
  transform:scale(1.04);
  animation:slowZoom 30s ease-in-out infinite alternate;
}
@keyframes slowZoom{
  to{transform:scale(1.10) translate(-4px,2px)}
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(10,14,38,0.95) 0%, rgba(10,14,38,0.4) 60%, rgba(10,14,38,0.1) 100%),
    linear-gradient(180deg, rgba(10,14,38,0) 30%, rgba(10,14,38,0.75) 100%);
}
.hero-content{position:relative;padding:32px 36px;width:100%}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  letter-spacing:0.18em;text-transform:uppercase;
  color:var(--gold);opacity:0.9;
  padding:6px 12px;border:1px solid var(--stroke-2);border-radius:99px;
  background:rgba(20,27,64,0.5);backdrop-filter:blur(8px);
  margin-bottom:14px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber-2);box-shadow:0 0 8px var(--amber-2)}
.hero-title{font-family:'Frank Ruhl Libre',serif;font-size:clamp(36px,6.5vw,68px);line-height:0.95;margin:0 0 8px;font-weight:700;letter-spacing:-0.03em}
.hero-title .italic{color:var(--gold);margin:0 0.1em}
.hero-sub{color:var(--ink-2);font-size:15px;line-height:1.6;max-width:540px;margin:8px 0 22px}
.hero-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.meta-item{display:flex;flex-direction:column;gap:2px}
.meta-num{font-family:'IBM Plex Mono',monospace;font-size:22px;font-weight:500;color:var(--ink);letter-spacing:0.01em}
.meta-lbl{font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3)}
.meta-divider{width:1px;height:32px;background:var(--stroke-2)}

/* ===== ARC CARD ===== */
.arc-card{padding:22px 24px}
.arc-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;flex-wrap:wrap;gap:10px}
.card-title{font-family:'Frank Ruhl Libre',serif;font-size:22px;font-weight:700;margin:0;color:var(--ink)}
.card-sub{font-size:12.5px;color:var(--ink-3);letter-spacing:0.04em;margin-top:2px}
.now-chip{
  font-family:'IBM Plex Mono',monospace;font-size:12px;
  padding:6px 14px;border-radius:99px;
  background:linear-gradient(135deg, rgba(232,156,92,0.25), rgba(255,199,115,0.15));
  border:1px solid var(--stroke-2);color:var(--gold);
}
.arc-wrap{width:100%;margin-top:6px}
#sunArc{width:100%;height:auto;display:block}
.arc-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px;font-size:12px;color:var(--ink-3)}
.leg-item{display:flex;align-items:center;gap:6px}
.dot-c{width:8px;height:8px;border-radius:50%}

/* ===== GRID CARDS (sun events) ===== */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-card{
  padding:18px;display:flex;flex-direction:column;gap:6px;
  transition:all .25s var(--ease);cursor:default;
  position:relative;
}
.stat-card:hover{transform:translateY(-2px);border-color:var(--stroke-2)}
.stat-card.primary{border-color:rgba(232,156,92,0.35);background:linear-gradient(160deg, rgba(232,156,92,0.10), var(--surface))}
.stat-ico{width:38px;height:38px;border-radius:11px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--amber-2);margin-bottom:4px}
.stat-card.primary .stat-ico{color:var(--gold);background:rgba(232,156,92,0.18)}
.stat-ico svg{width:20px;height:20px}
.stat-lbl{font-size:11.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3)}
.stat-val{font-family:'IBM Plex Mono',monospace;font-size:22px;font-weight:500;color:var(--ink);line-height:1.1}
.stat-rel{font-size:11px;color:var(--ink-4);font-family:'IBM Plex Mono',monospace}

/* ===== NEXT BANNER ===== */
.next-banner{
  padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(135deg, rgba(232,156,92,0.10), var(--surface));
  border-color:rgba(232,156,92,0.20);
}
.next-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--gold);opacity:0.85}
.next-title{font-family:'Frank Ruhl Libre',serif;font-size:24px;font-weight:700;margin-top:2px}
.next-sub{font-size:13px;color:var(--ink-3);margin-top:2px}
.next-right{display:flex;align-items:center;gap:14px}
.countdown{font-family:'IBM Plex Mono',monospace;font-size:30px;color:var(--gold);font-weight:500}

/* ===== YEAR CARD ===== */
.year-card{padding:22px 24px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card-pills{display:flex;gap:6px;background:var(--surface-2);padding:4px;border-radius:10px}
.pill{
  background:transparent;border:none;color:var(--ink-3);
  padding:6px 12px;border-radius:8px;cursor:pointer;font-size:12.5px;font-family:inherit;
  transition:all .2s var(--ease);
}
.pill.active{background:var(--bg-2);color:var(--gold);box-shadow:0 2px 8px rgba(0,0,0,0.3)}
.pill:not(.active):hover{color:var(--ink-2)}
.year-wrap{width:100%}
#yearChart{width:100%;height:auto;display:block}
.year-foot{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px;
  padding-top:14px;border-top:1px dashed var(--stroke);
}
.year-stat{display:flex;flex-direction:column;gap:2px}
.year-stat .label{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-3)}
.year-stat .value{font-family:'IBM Plex Mono',monospace;color:var(--ink);font-size:14px}

/* ===== MOON CARD ===== */
.moon-card{padding:22px 24px}
.moon-body{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center;margin-top:8px}
.moon-visual{display:flex;justify-content:center;align-items:center}
#moonSvg{width:220px;height:220px}
.moon-info{display:flex;flex-direction:column;gap:10px}
.moon-row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-radius:10px;background:var(--surface-2);border:1px solid var(--stroke)}
.moon-row .label{font-size:12px;color:var(--ink-3);letter-spacing:0.08em;text-transform:uppercase}
.moon-row .value{font-family:'IBM Plex Mono',monospace;color:var(--gold);font-size:14px;font-weight:500}

/* ===== LOC CARD ===== */
.loc-card{padding:22px 24px}
.loc-list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.loc-row{
  display:flex;align-items:center;gap:12px;padding:14px 16px;
  border-radius:12px;background:var(--surface-2);border:1px solid var(--stroke);
  cursor:pointer;transition:all .22s var(--spring);
}
.loc-row:hover{transform:translateX(-3px);border-color:var(--stroke-2);background:rgba(232,156,92,0.08)}
.loc-row.active{border-color:rgba(232,156,92,0.45);background:rgba(232,156,92,0.12)}
.loc-pin{width:34px;height:34px;border-radius:10px;background:var(--bg-3);display:flex;align-items:center;justify-content:center;color:var(--amber-2)}
.loc-pin svg{width:18px;height:18px}
.loc-meta{flex:1;display:flex;flex-direction:column;gap:1px}
.loc-name{font-size:14px;font-weight:600;color:var(--ink)}
.loc-coords{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-4)}
.loc-time{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--gold)}
.loc-del{background:none;border:none;color:var(--ink-4);cursor:pointer;padding:6px;border-radius:8px;transition:all .2s var(--ease)}
.loc-del:hover{color:#E67878;background:rgba(230,120,120,0.1)}

/* ===== HISTORY CARD ===== */
.hist-card{padding:22px 24px}
.hist-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.hist-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;
  border-radius:12px;background:var(--surface-2);border:1px solid var(--stroke);
  transition:all .22s var(--ease);
}
.hist-row:hover{border-color:var(--stroke-2)}
.hist-kind{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:linear-gradient(135deg, var(--bg-3), var(--bg-2));
  color:var(--gold);
}
.hist-body{flex:1;min-width:0}
.hist-meta{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-4);letter-spacing:0.04em}
.hist-note{font-size:14px;color:var(--ink-2);margin-top:2px;line-height:1.45;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.hist-rating{font-size:13px;color:var(--gold);letter-spacing:1px}
.hist-empty{display:none;flex-direction:column;align-items:center;text-align:center;padding:30px 20px;gap:8px}
.hist-empty.show{display:flex}
.hist-empty img{opacity:0.7;width:120px;height:auto}
.empty-title{font-family:'Frank Ruhl Libre',serif;font-size:18px;color:var(--gold);margin-top:8px}
.empty-sub{font-size:13px;color:var(--ink-3);max-width:320px;line-height:1.5}

/* ===== FAB ===== */
.fab{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  width:60px;height:60px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg, var(--amber), var(--amber-2));
  color:#1a1410;
  box-shadow:0 12px 32px rgba(232,156,92,0.45), 0 0 0 4px rgba(232,156,92,0.12);
  z-index:40;transition:all .3s var(--spring);
  display:flex;align-items:center;justify-content:center;
}
.fab:hover{transform:translateX(-50%) scale(1.08) rotate(90deg)}
.fab:active{transform:translateX(-50%) scale(0.94)}
.fab svg{width:26px;height:26px}

/* ===== BUTTONS ===== */
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:99px;
  background:linear-gradient(135deg, var(--amber), var(--amber-2));
  color:#1a1410;border:none;font-weight:600;font-size:13px;cursor:pointer;
  transition:all .22s var(--spring);font-family:inherit;
}
.btn-pill:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(232,156,92,0.32)}
.btn-pill.ghost{background:transparent;color:var(--gold);border:1px solid var(--stroke-2)}
.btn-pill.ghost:hover{background:var(--surface-2)}
.btn-primary{
  width:100%;padding:14px;border-radius:12px;
  background:linear-gradient(135deg, var(--amber), var(--amber-2));
  color:#1a1410;border:none;font-weight:700;font-size:14px;cursor:pointer;
  transition:all .25s var(--spring);font-family:inherit;
  box-shadow:0 8px 24px rgba(232,156,92,0.32);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(232,156,92,0.45)}
.btn-secondary{
  width:100%;padding:12px;border-radius:12px;margin-top:8px;
  background:var(--surface-2);color:var(--ink-2);
  border:1px solid var(--stroke);font-size:13px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:all .22s var(--ease);font-family:inherit;
}
.btn-secondary:hover{background:var(--bg-3);color:var(--gold)}

/* ===== MODAL ===== */
.modal{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  padding:20px;
}
.modal.open{display:flex;animation:modalIn .3s var(--ease)}
@keyframes modalIn{from{opacity:0}to{opacity:1}}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,11,28,0.7);backdrop-filter:blur(8px)}
.modal-panel{
  position:relative;width:100%;max-width:440px;padding:28px;
  border-radius:20px;animation:panelIn .35s var(--spring);
}
@keyframes panelIn{from{transform:translateY(20px) scale(0.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}
.modal-close{
  position:absolute;top:14px;left:14px;
  background:transparent;border:none;color:var(--ink-3);
  width:32px;height:32px;border-radius:10px;font-size:22px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;line-height:1;
  transition:all .2s var(--ease);
}
.modal-close:hover{background:var(--surface-2);color:var(--ink)}
.modal-title{font-family:'Frank Ruhl Libre',serif;font-size:24px;font-weight:700;margin:0 0 4px}
.modal-sub{color:var(--ink-3);font-size:13px;line-height:1.5;margin:0 0 18px}

/* form */
.form-row{margin-bottom:12px;position:relative}
.form-row.split{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input[type="text"],input[type="number"],textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--stroke);
  color:var(--ink);font-size:14px;font-family:inherit;
  transition:all .22s var(--ease);
}
input:focus,textarea:focus{outline:none;border-color:var(--stroke-2);background:var(--bg-3)}
textarea{resize:vertical;min-height:80px}
.search-results{
  position:absolute;top:calc(100% + 4px);right:0;left:0;
  background:var(--bg-2);border:1px solid var(--stroke-2);border-radius:12px;
  max-height:200px;overflow-y:auto;display:none;z-index:5;
}
.search-results.show{display:block}
.search-results .res{padding:10px 14px;cursor:pointer;font-size:13px;border-bottom:1px solid var(--stroke);transition:background .15s}
.search-results .res:last-child{border-bottom:none}
.search-results .res:hover{background:var(--surface-2);color:var(--gold)}
.search-results .res .small{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-4);margin-top:2px}

.seg-row{display:flex;gap:6px;background:var(--surface-2);padding:4px;border-radius:11px;margin-bottom:12px;flex-wrap:wrap}
.seg-row.sm{padding:3px}
.seg-btn{
  flex:1;background:transparent;border:none;color:var(--ink-3);
  padding:8px 12px;border-radius:8px;cursor:pointer;font-size:12.5px;font-family:inherit;
  transition:all .22s var(--ease);min-width:0;
}
.seg-btn.active{background:var(--bg-2);color:var(--gold);box-shadow:0 2px 8px rgba(0,0,0,0.3)}
.seg-btn:not(.active):hover{color:var(--ink-2)}

.rating-row{display:flex;align-items:center;gap:10px;margin:14px 0 20px}
.rating-lbl{font-size:13px;color:var(--ink-3)}
.rating-stars{display:flex;gap:4px}
.star{background:none;border:none;color:var(--ink-4);font-size:22px;cursor:pointer;padding:0 2px;transition:all .2s var(--spring)}
.star.on{color:var(--gold);text-shadow:0 0 6px rgba(244,212,165,0.5)}
.star:hover{transform:scale(1.15)}

.set-row{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--stroke);flex-wrap:wrap;
}
.set-row:last-of-type{border-bottom:none}
.set-label{font-size:14px;color:var(--ink-2);font-weight:500}

.theme-grid{display:flex;gap:6px;flex-wrap:wrap}
.theme-chip{
  border:1px solid var(--stroke);color:#fff;
  padding:7px 12px;border-radius:10px;font-size:12px;cursor:pointer;font-family:inherit;
  transition:all .25s var(--spring);
}
.theme-chip.active{border-color:var(--gold);box-shadow:0 0 0 2px rgba(244,212,165,0.25);transform:scale(1.05)}

.switch{position:relative;display:inline-block;width:46px;height:26px}
.switch input{opacity:0;width:0;height:0}
.slider{
  position:absolute;cursor:pointer;inset:0;
  background:var(--surface-2);border:1px solid var(--stroke);
  border-radius:99px;transition:.25s;
}
.slider::before{
  content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;
  background:var(--ink-3);border-radius:50%;transition:.25s;
}
.switch input:checked + .slider{background:linear-gradient(135deg, var(--amber), var(--amber-2));border-color:transparent}
.switch input:checked + .slider::before{transform:translateX(20px);background:#fff}

.about-list{padding-right:18px;margin:0 0 12px;color:var(--ink-2);font-size:13.5px;line-height:1.85}
.about-list li{position:relative;padding-right:6px}
.about-list li::marker{color:var(--amber-2)}
.copy{font-size:11px;color:var(--ink-4);font-family:'IBM Plex Mono',monospace;text-align:center;margin-top:14px;border-top:1px dashed var(--stroke);padding-top:14px}

/* ===== TOAST ===== */
.toast{
  position:fixed;bottom:100px;left:50%;transform:translateX(-50%) translateY(60px);
  background:var(--bg-3);border:1px solid var(--stroke-2);
  padding:12px 20px;border-radius:99px;color:var(--gold);font-size:13.5px;font-weight:500;
  opacity:0;pointer-events:none;z-index:200;
  box-shadow:0 12px 32px rgba(0,0,0,0.4);
  transition:all .35s var(--spring);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:720px){
  main{padding:16px 14px 100px;gap:16px}
  .hero{min-height:280px}
  .hero-content{padding:24px 22px}
  .hero-title{font-size:clamp(32px,9vw,52px)}
  .hero-meta{gap:12px}
  .meta-divider{height:24px}
  .grid-cards{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-card{padding:14px}
  .stat-val{font-size:19px}
  .moon-body{grid-template-columns:1fr;gap:14px}
  #moonSvg{width:180px;height:180px}
  .year-foot{grid-template-columns:repeat(2,1fr)}
  .next-banner{flex-direction:column;align-items:flex-start}
  .next-right{width:100%;justify-content:space-between}
  .card-pills{width:100%}
  .pill{flex:1}
}
@media(max-width:540px){
  .topbar{padding:12px 14px}
  .brand{font-size:16px}
  .brand .mark{width:32px;height:32px}
  .arc-card,.year-card,.moon-card,.loc-card,.hist-card{padding:18px 18px}
}
@media(max-width:380px){
  .hero-meta{gap:10px}
  .meta-num{font-size:18px}
  .grid-cards{grid-template-columns:1fr 1fr}
}