:root{
  --navy:#0B2447;
  --deep:#071A35;
  --sea:#14406B;
  --foam:#CFE0EE;
  --cream:#F5EFDC;
  --paper:#FAF6E9;
  --ink:#1E2A3A;
  --red:#D7263D;
  --green:#1B9963;
  --brass:#E0A458;
  --sailwhite:#FDFBF4;
  --radius:18px;
  --display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --body:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:var(--body);
  background:linear-gradient(180deg,var(--navy) 0%,var(--sea) 55%,#0E3055 100%);
  color:var(--cream);min-height:100dvh;overflow-x:hidden;
}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px}

/* ---------- Bunting ---------- */
.bunting{display:flex;justify-content:center;gap:6px;padding:10px 8px 0;user-select:none}
.bunting span{
  width:26px;height:32px;display:inline-block;
  clip-path:polygon(0 0,100% 0,100% 70%,50% 100%,0 70%);
  animation:sway 3.4s ease-in-out infinite;transform-origin:top center;
}
.bunting span:nth-child(odd){animation-delay:.6s}
@keyframes sway{0%,100%{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

header{text-align:center;padding:6px 16px 4px}
h1{font-family:var(--display);font-size:clamp(30px,7vw,44px);letter-spacing:.5px}
h1 em{font-style:italic;color:var(--brass)}
.tagline{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--foam);opacity:.85;margin-top:4px}

/* ---------- Account bar ---------- */
.accountbar{display:flex;justify-content:center;align-items:center;gap:10px;padding:10px 12px 0;flex-wrap:wrap}
.pill-btn{
  background:rgba(250,246,233,.1);border:1px solid rgba(250,246,233,.3);color:var(--cream);
  border-radius:999px;padding:8px 16px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;cursor:pointer;
  transition:background .15s;
}
.pill-btn:hover{background:rgba(250,246,233,.2)}
.pill-btn:active{transform:scale(.96)}
.pill-btn.gold{background:var(--brass);border-color:var(--brass);color:#3A2A10;font-weight:700}
.pill-btn.gold:hover{background:#EFBB74}
.whoami{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--foam)}
.crew-badge{background:var(--green);color:#fff;border-radius:999px;padding:2px 9px;font-size:10px;letter-spacing:.1em}
.crew-badge.free{background:rgba(250,246,233,.18);color:var(--foam)}
#clerk-user-button{display:flex;align-items:center}

/* ---------- Scoreboard ---------- */
.scorebar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;padding:10px 12px 2px}
.chip{
  background:rgba(250,246,233,.08);border:1px solid rgba(250,246,233,.22);
  border-radius:999px;padding:6px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  display:flex;align-items:center;gap:6px;
}
.chip b{color:var(--brass);font-size:14px}
.chip .flame{color:#FF8552}

main{max-width:760px;margin:0 auto;padding:12px 12px 90px;position:relative;z-index:1}

/* ---------- Cards ---------- */
.card{
  background:var(--paper);color:var(--ink);border-radius:var(--radius);
  box-shadow:0 12px 30px rgba(3,12,26,.45);padding:18px 16px;margin-top:14px;
  animation:rise .35s ease both;
}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
@media(max-width:430px){.modes{grid-template-columns:1fr}}
.mode-btn{
  border:none;cursor:pointer;text-align:left;position:relative;
  background:var(--paper);color:var(--ink);border-radius:var(--radius);padding:16px 14px;
  box-shadow:0 10px 24px rgba(3,12,26,.4);border-top:6px solid var(--flag,var(--brass));
  transition:transform .15s ease, box-shadow .15s ease;
}
.mode-btn:active{transform:scale(.97)}
.mode-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(3,12,26,.5)}
.mode-btn .mi{font-size:30px;display:block;margin-bottom:6px}
.mode-btn .mt{font-family:var(--display);font-size:19px;font-weight:700;display:block}
.mode-btn .md{font-size:12.5px;color:#4A5A6E;display:block;margin-top:4px;line-height:1.45}
.mode-btn .tag{
  display:inline-block;margin-top:8px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  padding:2px 8px;border-radius:999px;background:rgba(11,36,71,.08);color:var(--sea);
}
.mode-btn.locked{opacity:.82}
.mode-btn .lock{
  position:absolute;top:12px;right:12px;font-size:11px;font-family:var(--mono);letter-spacing:.1em;
  background:var(--navy);color:var(--brass);border-radius:999px;padding:3px 9px;
}
.mode-btn .pb{
  position:absolute;bottom:12px;right:12px;font-family:var(--mono);font-size:10.5px;color:#7A6C3F;letter-spacing:.06em;
}

.rankcard{display:flex;align-items:center;gap:14px}
.rank-badge{font-size:40px;line-height:1;filter:drop-shadow(0 3px 4px rgba(0,0,0,.2))}
.rank-name{font-family:var(--display);font-size:22px;font-weight:700}
.rank-sub{font-size:12.5px;color:#4A5A6E;margin-top:2px}
.rank-track{height:8px;background:#E4DCC4;border-radius:99px;margin-top:8px;overflow:hidden}
.rank-fill{height:100%;background:linear-gradient(90deg,var(--brass),#F2C57C);width:0%;transition:width .6s ease;border-radius:99px}

/* ---------- Game shell ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.back{background:none;border:1.5px solid rgba(250,246,233,.4);color:var(--cream);border-radius:999px;
  padding:7px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;cursor:pointer}
.back:active{transform:scale(.95)}
.round-pill{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--foam)}

.prompt{font-family:var(--display);font-size:clamp(18px,4.6vw,23px);font-weight:700;text-align:center;line-height:1.35}
.prompt small{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:#7A6C3F;margin-bottom:6px;font-weight:400}

.feedback{text-align:center;min-height:26px;margin-top:10px;font-weight:700;font-size:15.5px}
.feedback.good{color:var(--green)}
.feedback.bad{color:var(--red)}

/* ---------- Boat SVG ---------- */
.boatwrap{position:relative;margin-top:6px}
svg{display:block;width:100%;height:auto}
.hotspot{cursor:pointer;transition:filter .15s ease}
.hotspot:hover{filter:brightness(1.08)}
.hit{fill:transparent;stroke:transparent;pointer-events:all}
.flash-good{animation:flashG .8s ease}
.flash-bad{animation:flashB .6s ease}
@keyframes flashG{0%,100%{filter:none}30%{filter:drop-shadow(0 0 10px #1B9963) brightness(1.25)}}
@keyframes flashB{0%,100%{transform:none}25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.pulse-target{animation:pulse 1.1s ease infinite}
@keyframes pulse{0%,100%{filter:none}50%{filter:drop-shadow(0 0 12px #E0A458) brightness(1.3)}}

.part-tip{
  position:absolute;left:50%;bottom:8px;transform:translateX(-50%);
  background:var(--navy);color:var(--cream);border-radius:14px;padding:12px 16px;width:min(92%,420px);
  box-shadow:0 10px 26px rgba(0,0,0,.45);animation:rise .25s ease both;z-index:5;
}
.part-tip h3{font-family:var(--display);font-size:18px;color:var(--brass)}
.part-tip p{font-size:13.5px;line-height:1.5;margin-top:4px;color:var(--foam)}
.part-tip .close-tip{position:absolute;top:6px;right:10px;background:none;border:none;color:var(--foam);font-size:18px;cursor:pointer}

/* ---------- Answers ---------- */
.answers{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
@media(max-width:380px){.answers{grid-template-columns:1fr}}
.ans{
  border:2px solid #D8CFB2;background:var(--sailwhite);color:var(--ink);border-radius:14px;
  padding:13px 10px;font-size:14.5px;font-weight:600;cursor:pointer;line-height:1.35;
  transition:transform .12s ease,background .15s,border-color .15s;
}
.ans:active{transform:scale(.96)}
.ans.correct{background:#E3F6EC;border-color:var(--green);color:#0F6B44}
.ans.wrong{background:#FBE4E7;border-color:var(--red);color:#9E1B2C}
.ans:disabled{cursor:default;opacity:.9}

.next-btn,.primary{
  display:block;width:100%;margin-top:14px;background:var(--navy);color:var(--cream);
  border:none;border-radius:14px;padding:14px;font-family:var(--display);font-size:17px;font-weight:700;
  letter-spacing:.03em;cursor:pointer;transition:transform .12s ease;
}
.next-btn:active,.primary:active{transform:scale(.97)}
.primary.gold{background:var(--brass);color:#3A2A10}
.primary:disabled{opacity:.6;cursor:default}

.course-tag{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.15em;
  background:var(--navy);color:var(--cream);padding:3px 9px;border-radius:99px}
.course-tag.c103{background:var(--red)}

/* ---------- Results ---------- */
.results{text-align:center}
.results .big{font-size:56px}
.results h2{font-family:var(--display);font-size:26px;margin-top:6px}
.results p{color:#4A5A6E;margin-top:6px;font-size:14.5px;line-height:1.5}
.saved-note{font-family:var(--mono);font-size:11px;letter-spacing:.08em;margin-top:10px}
.saved-note.ok{color:var(--green)}
.saved-note.warn{color:#A8802F}

/* ---------- Glossary ---------- */
.glist{margin-top:10px}
.gitem{border-bottom:1px dashed #D8CFB2;padding:10px 2px}
.gitem h4{font-family:var(--display);font-size:16.5px}
.gitem p{font-size:13px;color:#44536A;margin-top:3px;line-height:1.45}
.gfilter{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gfilter button{border:1.5px solid var(--navy);background:none;color:var(--navy);border-radius:99px;
  padding:6px 14px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;cursor:pointer}
.gfilter button.on{background:var(--navy);color:var(--cream)}

/* ---------- Lightning timer ---------- */
.timerbar{height:12px;background:#E4DCC4;border-radius:99px;overflow:hidden;margin-top:12px}
.timerfill{height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,#D7263D,#FF8552,#F2C57C);transition:width .1s linear}
.lz-count{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-align:center;color:#7A6C3F;margin-top:6px}

/* ---------- Knots ---------- */
.knot-stage{min-height:160px;display:flex;align-items:center;justify-content:center;margin-top:6px}
.knot-q{font-family:var(--display);font-size:64px;color:#D8CFB2}

/* ---------- Leaderboard ---------- */
.lb-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:14px}
.lb-table th{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:#7A6C3F;text-align:left;padding:6px 6px;border-bottom:2px solid #D8CFB2;font-weight:400;
}
.lb-table td{padding:9px 6px;border-bottom:1px dashed #E2D9BE}
.lb-table tr.you td{background:#FFF6DF;font-weight:700}
.lb-rank{font-family:var(--mono);width:44px;color:#7A6C3F}
.lb-rank.medal{font-size:17px}
.lb-score{text-align:right;font-family:var(--mono);font-weight:700;color:var(--sea)}
.lb-name{font-family:var(--display);font-size:16px}
.lb-when{font-family:var(--mono);font-size:10.5px;color:#8A7C55;display:block;font-weight:400}
.empty-state{text-align:center;padding:24px 10px;color:#4A5A6E;font-size:14px;line-height:1.55}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.seg button{
  border:1.5px solid var(--navy);background:none;color:var(--navy);border-radius:99px;
  padding:6px 13px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;cursor:pointer;
}
.seg button.on{background:var(--navy);color:var(--cream)}

/* ---------- Paywall ---------- */
.paywall{text-align:center}
.paywall .lockicon{font-size:46px}
.paywall h2{font-family:var(--display);font-size:25px;margin-top:6px}
.paywall .price{font-family:var(--display);font-size:34px;color:var(--sea);margin-top:8px}
.perks{list-style:none;text-align:left;max-width:340px;margin:14px auto 0;font-size:14px;line-height:1.7;color:#3A4A5E}
.perks li::before{content:"⚓";margin-right:8px;color:var(--brass)}
.finemark{font-size:11.5px;color:#7A8296;margin-top:10px;line-height:1.5}
.trial-badge{
  display:inline-block;margin-top:8px;background:#E3F6EC;color:#0F6B44;
  border-radius:999px;padding:5px 14px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
}
.plans{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.plan{
  flex:1 1 140px;max-width:190px;background:var(--sailwhite);border:2px solid #D8CFB2;
  border-radius:14px;padding:12px 10px;cursor:pointer;transition:border-color .15s,background .15s;
}
.plan.on{border-color:var(--brass);background:#FFF6DF}
.plan-label{display:block;font-family:var(--display);font-size:20px;font-weight:700;color:var(--sea)}
.plan-note{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#7A6C3F;margin-top:4px}

/* ---------- Name form ---------- */
.field{margin-top:12px;text-align:left}
.field label{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#7A6C3F}
.field input{
  width:100%;margin-top:6px;padding:12px 14px;border:2px solid #D8CFB2;border-radius:12px;
  background:var(--sailwhite);color:var(--ink);font-size:16px;font-family:var(--body);
}
.field input:focus{border-color:var(--brass);outline:none}
.field .hint{font-size:11.5px;color:#8A7C55;margin-top:6px}

/* ---------- Lesson screen ---------- */
.lkicker{text-align:center;font-size:14.5px;color:#4A5A6E;line-height:1.6;max-width:460px;margin:10px auto 0}
.lsec{margin-top:26px;border-top:1px dashed #D8CFB2;padding-top:18px}
.lsec h3{font-family:var(--display);font-size:19px;display:flex;align-items:center;gap:8px}
.lintro{font-size:13px;color:#7A6C3F;margin-top:8px;font-style:italic}
.ltips{list-style:none;margin-top:12px;display:grid;gap:10px}
.ltips li{font-size:14px;line-height:1.55;color:#3A4A5E;padding-left:22px;position:relative}
.ltips li::before{content:"⚓";position:absolute;left:0;top:2px;font-size:11px;color:var(--brass)}
.lchecks{display:grid;gap:8px;margin-top:12px}
.lcheck{
  display:flex;gap:12px;align-items:flex-start;text-align:left;cursor:pointer;
  background:var(--sailwhite);border:2px solid #D8CFB2;border-radius:13px;padding:11px 12px;
  font-family:var(--body);transition:border-color .15s,background .15s,transform .12s ease;
}
.lcheck:active{transform:scale(.98)}
.lbox{
  flex:0 0 22px;height:22px;border-radius:7px;border:2px solid #C9BD98;background:#fff;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
  transition:background .15s,border-color .15s;
}
.lcheck.done{background:#E3F6EC;border-color:var(--green)}
.lcheck.done .lbox{background:var(--green);border-color:var(--green)}
.lcheck.done .lbox::after{content:"✓";color:#fff;font-size:14px;font-weight:700}
.ltxt b{display:block;font-size:14px;color:var(--ink)}
.lcheck.done .ltxt b{color:#0F6B44}
.ltxt small{display:block;font-size:12px;color:#7A8296;margin-top:2px;line-height:1.45}
.lcount{margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#7A6C3F;text-align:center}
.lphrases{margin-top:12px;display:grid;gap:0}
.lphrase{display:flex;gap:14px;padding:9px 2px;border-bottom:1px dashed #E2D9BE;align-items:baseline}
.lphrase:last-child{border-bottom:none}
.lphrase b{font-family:var(--display);font-size:15px;flex:0 0 148px}
.lphrase span{font-size:13.5px;color:#44536A;line-height:1.5}
@media(max-width:420px){.lphrase{flex-direction:column;gap:2px}.lphrase b{flex:none}}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:80;
  background:var(--navy);color:var(--cream);border:1px solid rgba(250,246,233,.25);
  padding:12px 18px;border-radius:999px;font-size:13.5px;box-shadow:0 10px 26px rgba(0,0,0,.5);
  animation:rise .25s ease both;max-width:90vw;text-align:center;
}
.toast.bad{background:#7E1E2B}

/* ---------- Waves & confetti ---------- */
.waves{position:fixed;bottom:0;left:0;right:0;height:70px;pointer-events:none;z-index:0;opacity:.9}
.waves svg{height:100%;width:200%;animation:drift 9s linear infinite}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:50}
.confetti i{position:absolute;top:-20px;width:10px;height:14px;opacity:.95;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.7}}

.hidden{display:none!important}
.pos-wrap{max-width:430px;margin:0 auto}
footer{text-align:center;padding:0 16px 80px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:rgba(207,224,238,.6)}
footer a{color:rgba(207,224,238,.85)}