body{min-height:100dvh;background:var(--cream)}
.tracker-shell{min-height:100dvh;padding-top:58px}
.tracker-tabs{
  position:fixed;top:82px;right:36px;z-index:110;display:flex;gap:4px;padding:4px;
  border:1px solid rgba(11,16,32,.16);background:rgba(251,250,246,.86);
  backdrop-filter:blur(14px) saturate(150%)
}
.tracker-tab{
  min-height:38px;padding:0 16px;border:0;background:transparent;color:var(--ink);
  font:500 9px/1 "Geist Mono",monospace;letter-spacing:.16em;text-transform:uppercase;
  cursor:pointer;transition:background-color .22s,color .22s,transform .18s
}
.tracker-tab:hover{background:rgba(21,34,74,.08)}
.tracker-tab:active{transform:scale(.97)}
.tracker-tab[aria-selected="true"]{background:var(--navy);color:var(--cream)}
.tracker-tab:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.tracker-panel[hidden]{display:none}
.rule-panel{min-height:calc(100dvh - 58px);padding:clamp(112px,14vh,164px) 36px 84px}
.rule-inner{width:min(100%,1200px);margin:0 auto}
.rule-kicker{
  display:flex;align-items:center;gap:10px;margin-bottom:30px;
  font:400 10px/1 "Geist Mono",monospace;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink);opacity:.52
}
.rule-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.rule-lead{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);align-items:end;gap:clamp(48px,8vw,120px)}
.rule-title{
  max-width:770px;font:400 clamp(72px,10.5vw,154px)/.82 "Instrument Serif",serif;
  letter-spacing:-.045em;color:var(--ink);text-wrap:balance
}
.rule-title em{font-weight:400;color:var(--navy)}
.rule-intro{max-width:34ch;padding-bottom:8px;font:400 clamp(21px,2.2vw,29px)/1.22 "Instrument Serif",serif;color:#27304a}
.rule-intro em{color:var(--navy)}
.rule-list{margin-top:clamp(72px,10vh,112px);border-top:1px solid var(--line)}
.rule-item{display:grid;grid-template-columns:72px minmax(130px,.42fr) minmax(0,1.58fr);gap:28px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line)}
.rule-index,.rule-language{
  font:400 10px/1.5 "Geist Mono",monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--ink)
}
.rule-index{opacity:.34}.rule-language{opacity:.6}
.rule-copy{font:400 clamp(25px,3.2vw,45px)/1.05 "Instrument Serif",serif;letter-spacing:-.02em;color:var(--navy)}
.rule-copy strong{font-weight:400;color:var(--gold)}
.rule-next{
  display:inline-flex;align-items:center;gap:16px;margin-top:44px;padding:0 0 8px;border:0;border-bottom:1px solid var(--navy);
  background:transparent;color:var(--navy);font:500 10px/1 "Geist Mono",monospace;
  letter-spacing:.18em;text-transform:uppercase;cursor:pointer;transition:gap .25s,color .25s,border-color .25s
}
.rule-next::after{content:"→";font-size:16px}.rule-next:hover{gap:24px;color:var(--gold);border-color:var(--gold)}
.rule-next:focus-visible{outline:2px solid var(--gold);outline-offset:5px}

.picture-panel{min-height:calc(100dvh - 58px);overflow:hidden;background:#052f37;color:#d9f0ec}
.picture-stage{
  width:min(100%,1440px);min-height:calc(100dvh - 58px);margin:0 auto;
  padding:clamp(126px,15vh,176px) 28px 96px;display:grid;place-items:center
}
.tracker-art{width:min(68vw,600px);color:#a6dcd5}
.tracker-art-head,.tracker-art-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;font:400 8px/1.4 "Geist Mono",monospace;letter-spacing:.16em;text-transform:uppercase;color:#a6dcd5;opacity:.72}
.tracker-art-head{margin-bottom:12px}.tracker-art-foot{margin-top:12px}.tracker-art-foot>:nth-child(2){color:#f3a83d}
.tracker-month-labels{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));margin-bottom:7px}
.tracker-month-labels span{text-align:center;font:400 7px/1 "Geist Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:#a6dcd5;opacity:.72}
.tracker-months{
  position:relative;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:repeat(31,minmax(0,1fr));
  width:100%;aspect-ratio:12/31;border-top:1px solid rgba(104,207,199,.3);border-left:1px solid rgba(104,207,199,.3);background:#041f26
}
.tracker-day,.tracker-day-spacer{position:relative;display:grid;place-items:center;width:100%;min-width:0;min-height:0;border:0;border-right:1px solid rgba(104,207,199,.24);border-bottom:1px solid rgba(104,207,199,.24);background:#041f26;overflow:hidden}
.tracker-day::before,.tracker-day-spacer::before{content:"";position:absolute;inset:-1px;background:var(--cell-a);opacity:0;transform:scale(.88);transition:opacity .42s cubic-bezier(.16,1,.3,1),transform .55s cubic-bezier(.16,1,.3,1)}
.tracker-day.pattern-0::before,.tracker-day-spacer.pattern-0::before{background:radial-gradient(ellipse at 24% 30%,var(--cell-b) 0 13%,transparent 15%),radial-gradient(ellipse at 72% 68%,var(--cell-b) 0 17%,transparent 19%),radial-gradient(circle at 82% 18%,var(--cell-c) 0 9%,transparent 11%),var(--cell-a)}
.tracker-day.pattern-1::before,.tracker-day-spacer.pattern-1::before{background:repeating-linear-gradient(135deg,var(--cell-a) 0 22%,var(--cell-b) 23% 37%,var(--cell-c) 38% 48%)}
.tracker-day.pattern-2::before,.tracker-day-spacer.pattern-2::before{background:repeating-radial-gradient(circle at 0 100%,var(--cell-b) 0 9%,var(--cell-c) 10% 16%,var(--cell-a) 17% 27%)}
.tracker-day.pattern-3::before,.tracker-day-spacer.pattern-3::before{background:conic-gradient(from 45deg,var(--cell-a) 0 25%,var(--cell-b) 0 50%,var(--cell-c) 0 75%,var(--cell-a) 0)}
.tracker-day.pattern-4::before,.tracker-day-spacer.pattern-4::before{background:radial-gradient(circle at 50% 50%,transparent 0 18%,var(--cell-b) 20% 33%,transparent 35%),radial-gradient(circle at 12% 14%,var(--cell-c) 0 10%,transparent 12%),var(--cell-a)}
.tracker-day.pattern-5::before,.tracker-day-spacer.pattern-5::before{background:linear-gradient(28deg,transparent 0 43%,var(--cell-c) 44% 55%,transparent 56%),linear-gradient(-28deg,var(--cell-a) 0 48%,var(--cell-b) 49% 100%)}
.tracker-day{color:#d9f0ec;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background-color .2s,transform .2s;isolation:isolate}
.tracker-day-number{position:absolute;left:50%;top:50%;z-index:2;transform:translate(-50%,-50%);font:400 clamp(5px,.5vw,7px)/1 "Geist Mono",monospace;color:#a6dcd5;opacity:.46;transition:opacity .2s}
.tracker-day:hover{z-index:3;background:#0a434a;box-shadow:inset 0 0 0 1px #f3a83d}.tracker-day:active{transform:scale(.92)}
.tracker-day.is-read::before,.tracker-day-spacer.is-unlocked::before{opacity:1;transform:scale(1)}
.tracker-day.is-read .tracker-day-number{opacity:0}
.tracker-day.has-note::after{content:"";position:absolute;z-index:4;right:2px;top:2px;width:4px;height:4px;background:#f3a83d;box-shadow:0 0 0 1px rgba(4,31,38,.48)}
.tracker-day.is-today{box-shadow:inset 0 0 0 1px #f3a83d}.tracker-day:focus-visible{z-index:4;outline:2px solid #f3a83d;outline-offset:-2px}
.tracker-storage{margin:0;padding:20px 36px;background:#041f26;font:400 9px/1.6 "Geist Mono",monospace;letter-spacing:.12em;text-align:center;text-transform:uppercase;color:#a6dcd5}

.tracker-dialog{width:min(92vw,560px);max-height:min(88dvh,720px);margin:auto;padding:0;border:1px solid var(--dialog-accent,var(--navy));background:var(--dialog-bg,var(--paper));color:var(--ink)}
.tracker-dialog::backdrop{background:rgba(13,23,56,.58);backdrop-filter:blur(5px)}
.tracker-dialog[open]{animation:tracker-in .32s cubic-bezier(.16,1,.3,1) both}
@keyframes tracker-in{from{opacity:0;transform:translate3d(0,12px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
.tracker-form{display:flex;flex-direction:column;padding:clamp(26px,5vw,48px)}
.tracker-dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}
.tracker-dialog-label{display:block;margin-bottom:12px;font:400 9px/1 "Geist Mono",monospace;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);opacity:.46}
.tracker-dialog-date{font:400 clamp(34px,6vw,54px)/.95 "Instrument Serif",serif;letter-spacing:-.025em;color:var(--navy)}
.tracker-close{display:grid;place-items:center;flex:none;width:40px;height:40px;border:1px solid var(--line);background:transparent;color:var(--ink);font:400 22px/1 "Geist",sans-serif;cursor:pointer;transition:background-color .2s,color .2s}
.tracker-close:hover{background:var(--dialog-accent,var(--navy));color:var(--cream)}
.tracker-check{display:flex;align-items:center;gap:14px;margin-top:38px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px;color:#27304a;cursor:pointer}
.tracker-check input{appearance:none;display:grid;place-items:center;flex:none;width:22px;height:22px;border:1px solid var(--navy);border-radius:50%;background:transparent;cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s cubic-bezier(.16,1,.3,1)}
.tracker-check input::after{content:"✓";font-size:12px;line-height:1;color:transparent}.tracker-check input:checked{background:var(--dialog-accent,var(--navy));border-color:var(--dialog-accent,var(--navy))}.tracker-check input:checked::after{color:var(--cream)}
.tracker-check input:focus-visible{outline:1px solid var(--navy);outline-offset:4px}
.tracker-note-field{display:grid;gap:10px;margin-top:28px}.tracker-note-field label{font:400 9px/1 "Geist Mono",monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);opacity:.52}
.tracker-note-field textarea{width:100%;min-height:150px;resize:vertical;border:1px solid var(--line);background:rgba(255,255,255,.28);padding:16px;font:400 16px/1.55 "Geist",sans-serif;color:var(--ink);outline:0}
.tracker-note-field textarea:focus{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.tracker-note-help{font-size:12px;line-height:1.5;color:#3c4355;opacity:.68}
.tracker-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:28px}
.tracker-button{min-height:44px;padding:0 18px;border:1px solid var(--navy);background:transparent;font:500 9px/1 "Geist Mono",monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--navy);cursor:pointer;transition:background-color .2s,color .2s,transform .2s}
.tracker-button:hover{background:var(--navy);color:var(--cream)}.tracker-button:active{transform:translateY(1px)}
.tracker-button.primary{margin-left:auto;background:var(--dialog-accent,var(--navy));color:var(--cream)}.tracker-button.primary:hover{background:var(--ink)}
.tracker-button.remove{border-color:transparent;padding-left:0;padding-right:0;opacity:.48}.tracker-button.remove:hover{background:transparent;color:var(--ink);opacity:1}
.tracker-status{min-height:18px;margin-top:16px;font-size:12px;line-height:1.5;color:#7a3030}

@media(max-width:760px){
  .tracker-tabs{top:70px;right:12px}.tracker-tab{padding:0 12px;font-size:8px}
  .rule-panel{padding:132px 20px 68px}.rule-lead{grid-template-columns:1fr;gap:38px}.rule-title{font-size:clamp(66px,22vw,96px)}
  .rule-intro{max-width:29ch}.rule-list{margin-top:66px}.rule-item{grid-template-columns:40px 1fr;gap:10px 18px;padding:26px 0}.rule-copy{grid-column:2;font-size:clamp(28px,8vw,38px)}
  .picture-stage{min-height:0;padding:126px 20px 68px}.tracker-art{width:min(100%,420px)}.tracker-art-head,.tracker-art-foot{font-size:7px}
  .tracker-day-number{font-size:5px}.tracker-day.has-note::after{right:1px;top:1px;width:3px;height:3px}.tracker-storage{padding:18px 20px}
  .tracker-actions{align-items:stretch;flex-wrap:wrap}.tracker-button.primary{margin-left:0;flex:1}
}
@media(prefers-reduced-motion:reduce){.tracker-dialog[open]{animation:none}.tracker-day::before,.tracker-button,.tracker-tab{transition:none}}