@font-face{font-family:"Fraunces";src:url(fonts/Fraunces.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/Inter.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{
  --cream:#FAEEE1;--peach:#F4DDC5;--navy:#1E1B3A;--coral:#E8553E;--yellow:#FFC93C;--lav:#B8B3D6;
  --ink:#1E1B3A;--muted:#5d5873;--line:rgba(30,27,58,.14);--card:#fff;
  --k1:#FFC93C;--k2:#3B82D6;--k3:#3FAE49;--k4:#E23B32;--k5:#F28C28;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.45 Inter,Arial,sans-serif}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,.serif{font-family:Fraunces,Georgia,serif;font-variation-settings:"opsz" 72,"SOFT" 50}
h1{font-weight:900;font-size:30px;line-height:1.05;margin:4px 0 6px}
h2{font-weight:800;font-size:22px;line-height:1.1;margin:22px 0 10px}
h3{font-weight:700;font-size:18px;margin:0 0 4px}
.c{color:var(--coral)}
.muted{color:var(--muted)}
.small{font-size:13px}

.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;background:var(--navy);color:var(--cream)}
.brand{display:flex;align-items:center;gap:10px;font-family:Fraunces,Georgia,serif;font-weight:800;font-size:18px}
.brand b{color:var(--coral);font-weight:800}
.hex{width:30px;height:12px;background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 24'%3E%3Cg fill='%23FFC93C' stroke='%231E1B3A' stroke-width='1.5'%3E%3Cpath d='M5 12l5-9h10l5 9-5 9H10z'/%3E%3Cpath d='M20 12l5-9h10l5 9-5 9H25z'/%3E%3Cpath d='M35 12l5-9h10l5 9-5 9H40z'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.icon-btn{background:transparent;border:1.5px solid rgba(250,238,225,.5);color:var(--cream);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}

main{max-width:560px;margin:0 auto;padding:16px 16px calc(96px + var(--safe-b));outline:none}

.tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;display:grid;grid-template-columns:repeat(5,1fr);
  background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + var(--safe-b))}
.tabs button{background:none;border:0;padding:4px 0;font-size:11px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px}
.tabs .ti{font-size:17px;line-height:20px;font-weight:800}
.tabs button.on{color:var(--navy)}
.tabs button.on .ti{color:var(--coral)}

.card{background:var(--card);border-radius:16px;padding:16px;box-shadow:0 1px 0 var(--line),0 6px 18px rgba(30,27,58,.06);margin:12px 0}
.row{display:flex;gap:10px;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{background:#fff;border-radius:14px;padding:12px 14px}
.stat .n{font-family:Fraunces,Georgia,serif;font-weight:900;font-size:30px;line-height:1}
.stat .l{font-size:12px;color:var(--muted);margin-top:4px}

.btn{display:block;width:100%;border:0;border-radius:14px;padding:15px 16px;font-weight:700;font-size:16px;text-align:center;background:var(--navy);color:var(--cream)}
.btn.coral{background:var(--coral);color:#fff}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn + .btn{margin-top:10px}
.btn[disabled]{opacity:.45}

.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}
.chip.on{background:var(--navy);color:var(--cream);border-color:var(--navy)}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--peach);border-radius:12px;padding:4px;margin:6px 0 12px}
.seg button{border:0;background:none;border-radius:9px;padding:8px;font-size:14px;font-weight:600}
.seg button.on{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}

.pill{display:inline-block;border:1.5px solid var(--navy);border-radius:999px;padding:1px 10px;font-weight:700;font-size:14px;background:#fff}
.tag{display:inline-block;background:var(--peach);border-radius:8px;padding:2px 8px;font-size:12px;font-weight:700}

/* flashcard */
.fc{min-height:300px;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:26px 18px}
.fc .q{font-family:Fraunces,Georgia,serif;font-weight:900;font-size:34px;line-height:1.08;word-break:break-word}
.fc .hint{margin-top:14px;color:var(--muted);font-size:14px}
.fc.back{text-align:left;justify-content:flex-start}
.fc.back .q{font-size:26px}
.kv{margin:10px 0 0;font-size:15px}
.kv b{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:1px}
.progress{height:6px;background:var(--peach);border-radius:9px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--coral);border-radius:9px}
.answer-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}

/* quiz */
.opt{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;margin:8px 0;font-weight:600}
.opt.ok{border-color:var(--k3);background:#eaf7ec}
.opt.no{border-color:var(--k4);background:#fdecea}

/* search */
.search{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:14px;font-size:17px;background:#fff;color:var(--ink)}
.search:focus{outline:2px solid var(--coral);border-color:transparent}
.res{display:flex;justify-content:space-between;gap:10px;align-items:center;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:12px 4px}
.res .t{font-weight:700}
.res .s{font-size:13px;color:var(--muted)}

/* plates tracker */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:8px}
.tile{border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:9px 8px;text-align:left;min-height:74px;display:flex;flex-direction:column;justify-content:space-between}
.tile .id{font-weight:800;font-size:12px;color:var(--muted)}
.tile .nm{font-size:13px;font-weight:600;line-height:1.2}
.tile.done{background:var(--navy);color:var(--cream);border-color:var(--navy)}
.tile.done .id{color:var(--yellow)}

/* color key */
.key li{display:flex;gap:10px;align-items:flex-start;margin:8px 0;list-style:none}
.key{padding:0;margin:6px 0 0}
.dot{flex:none;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#1E1B3A;border:1.5px solid rgba(30,27,58,.25)}
.d1{background:var(--k1)}.d2{background:var(--k2);color:#fff}.d3{background:var(--k3);color:#fff}.d4{background:var(--k4);color:#fff}.d5{background:var(--k5)}

/* sheet */
.sheet{position:fixed;inset:0;z-index:20}
.sheet-bg{position:absolute;inset:0;background:rgba(30,27,58,.45)}
.sheet-card{position:absolute;left:0;right:0;bottom:0;max-height:88vh;overflow:auto;background:var(--cream);border-radius:20px 20px 0 0;padding:20px 18px calc(24px + var(--safe-b));max-width:600px;margin:0 auto}
#sheet-body > .small:first-child{padding-right:44px}
.sheet-x{position:absolute;right:12px;top:10px;border:0;background:#fff;border-radius:50%;width:34px;height:34px;font-size:22px;line-height:1}
.check{display:flex;gap:10px;align-items:center;background:#fff;border-radius:12px;padding:12px 14px;margin-top:14px;font-weight:700}
.check input{width:22px;height:22px;accent-color:var(--coral)}

.note{background:var(--peach);border-radius:12px;padding:12px 14px;font-size:14px}
.foot{font-size:12px;color:var(--muted);margin-top:26px;text-align:center}
.linkbtn{background:none;border:0;color:var(--navy);text-decoration:underline;font-size:12px;padding:0}
.hide{display:none!important}