/* =====================================================================
   DGPS ECA Selection — stylesheet
   Palette: gem spectrum, one stone per activity.
   ===================================================================== */

:root{
  --ruby:#E5384F;
  --amber:#F5871F;
  --citrine:#F2B705;
  --emerald:#0FB07C;
  --sapphire:#2C7FF0;
  --amethyst:#8A4FD8;
  --tourmaline:#EC5B9E;

  --ink:#1E1B33;
  --muted:#6E6A88;
  --faint:#9D99B4;
  --bg:#FDFCFF;
  --panel:#FFFFFF;
  --border:#EAE7F2;
  --shadow:0 1px 2px rgba(30,27,51,.05), 0 6px 20px rgba(30,27,51,.07);
  --serif:'Fraunces',Georgia,serif;
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}

body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased;padding-bottom:80px;
}

.wrap{max-width:620px;margin:0 auto;padding:0 20px}

/* ------------------------------ masthead ------------------------------ */
header{
  background:linear-gradient(135deg,#2C7FF0 0%,#8A4FD8 46%,#EC5B9E 78%,#F5871F 100%);
  color:#fff;padding:28px 0 0;position:relative;overflow:hidden;
}
.facets{position:absolute;inset:0;z-index:1}
.facets svg{width:100%;height:100%;display:block}
header .wrap{position:relative;z-index:2}

.crest{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.3)}
/* The crest is dark green on transparent, so it needs a light chip behind it
   to stay legible against the gradient. */
.crest .logo{
  flex-shrink:0;width:46px;height:46px;object-fit:contain;
  background:#fff;border-radius:50%;padding:4px;
  box-shadow:0 2px 10px rgba(40,20,80,.22);
}
.crest .name{font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;line-height:1.35}
.crest .motto{display:block;font-family:var(--serif);font-size:12.5px;font-weight:600;
  letter-spacing:0;text-transform:none;color:rgba(255,255,255,.82)}

.kicker{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.9);margin-top:24px}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(31px,7.8vw,44px);
  line-height:1.06;letter-spacing:-.025em;margin:10px 0 12px;
  text-shadow:0 2px 14px rgba(40,20,80,.18)}
header p{color:rgba(255,255,255,.92);max-width:41ch;font-size:14.5px}
.pill{display:inline-flex;align-items:baseline;gap:8px;margin-top:20px;
  background:rgba(255,255,255,.95);border-radius:100px;padding:8px 17px;font-size:13px;
  box-shadow:0 3px 12px rgba(40,20,80,.16)}
.pill b{font-weight:600;color:var(--muted)}
.pill span{font-weight:800;color:var(--ink)}

.spectrum{display:flex;height:7px;margin-top:26px;border-radius:7px;overflow:hidden;
  box-shadow:0 2px 10px rgba(40,20,80,.2)}
.spectrum i{flex:1;background:rgba(255,255,255,.32);transition:background .45s ease}
.spectrum i.lit:nth-child(1){background:var(--ruby)}
.spectrum i.lit:nth-child(2){background:var(--amber)}
.spectrum i.lit:nth-child(3){background:var(--citrine)}
.spectrum i.lit:nth-child(4){background:var(--emerald)}
.spectrum i.lit:nth-child(5){background:var(--sapphire)}
.spectrum i.lit:nth-child(6){background:var(--amethyst)}

/* ------------------------------ steps ------------------------------ */
main{padding-top:34px}
.step{display:none}
.step.on{display:block;animation:in .32s ease}
@keyframes in{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}

.label{font-size:11.5px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--amethyst)}
h2{font-family:var(--serif);font-weight:700;font-size:25px;letter-spacing:-.02em;margin:7px 0 6px}
.sub{color:var(--muted);font-size:14px;margin-bottom:22px}

/* ------------------------------ tiles ------------------------------ */
.grid{display:grid;gap:11px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.grid.wide{grid-template-columns:repeat(auto-fill,minmax(205px,1fr))}

.tile{
  font-family:var(--sans);font-size:15px;font-weight:700;color:var(--ink);
  background:var(--panel);border:1.5px solid var(--border);border-radius:14px;
  padding:15px 16px 15px 18px;text-align:left;cursor:pointer;width:100%;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:border-color .16s, box-shadow .16s, transform .16s;
}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c,#ddd)}
.tile:hover:not(:disabled){transform:translateY(-2px);border-color:var(--c);
  box-shadow:0 4px 8px rgba(30,27,51,.07),0 12px 28px rgba(30,27,51,.11)}
.tile:focus-visible{outline:2px solid var(--c);outline-offset:2px}
.tile small{display:block;font-size:12.5px;font-weight:500;color:var(--faint);margin-top:2px}

/* a student who has already chosen — the activity is never revealed */
.tile.done{cursor:not-allowed;background:#F6F5F9;box-shadow:none}
.tile.done::before{background:#CFCCDA}
.tile.done .who{display:block;color:#8B87A2}
.tile.done .badge{
  display:inline-block;margin-top:6px;
  font-size:11.5px;font-weight:700;color:#7B7794;
  background:#EAE8F1;border-radius:100px;padding:2px 10px;
}

/* ------------------------------ activities ------------------------------ */
.act{
  display:block;width:100%;text-align:left;font-family:var(--sans);color:var(--ink);
  background:var(--panel);border:1.5px solid var(--border);border-radius:14px;
  padding:15px 17px;margin-bottom:11px;cursor:pointer;box-shadow:var(--shadow);
  transition:border-color .16s, box-shadow .16s, transform .16s;
}
.act:hover:not(.full){transform:translateY(-2px);border-color:var(--c);
  box-shadow:0 4px 8px rgba(30,27,51,.07),0 12px 28px rgba(30,27,51,.11)}
.act:focus-visible{outline:2px solid var(--c);outline-offset:2px}
.act.on{border-color:var(--c);border-width:2.5px;padding:14px 16px}
.act.full{cursor:not-allowed;background:#F6F5F9;box-shadow:none;border-color:var(--border)}
.act.full .nm{color:var(--faint)}

.head{display:flex;align-items:center;gap:13px}
.gemwrap{flex-shrink:0;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--c-soft,#F1F0F6)}
.nm{font-weight:700;font-size:16.5px;letter-spacing:-.01em;flex:1}
.left{font-size:13px;font-weight:800;white-space:nowrap;color:var(--c)}
.act.full .left{color:var(--faint)}

.track{height:5px;background:#EFEDF4;border-radius:5px;margin-top:12px;overflow:hidden}
.track i{display:block;height:100%;width:0;border-radius:5px;transition:width .55s cubic-bezier(.3,.8,.3,1)}

/* ------------------------------ letter ------------------------------ */
.letter{background:var(--panel);border:1.5px solid var(--border);border-radius:16px;
  padding:26px 24px;box-shadow:var(--shadow);color:#3D3A57;font-size:14.5px;
  position:relative;overflow:hidden}
.letter::before{content:"";position:absolute;left:0;top:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--ruby),var(--amber),var(--citrine),var(--emerald),var(--sapphire),var(--amethyst))}
.letter p{margin-bottom:14px}
.letter p:last-child{margin-bottom:0}
.letter ul{list-style:none;margin:0 0 14px}
.letter li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--muted)}
.letter li::before{content:"";position:absolute;left:2px;top:8px;width:9px;height:9px;
  transform:rotate(45deg);border-radius:2px}
.letter li:nth-child(1)::before{background:var(--ruby)}
.letter li:nth-child(2)::before{background:var(--amber)}
.letter li:nth-child(3)::before{background:var(--emerald)}
.letter li:nth-child(4)::before{background:var(--sapphire)}
.stamp{background:linear-gradient(120deg,#FFF3DC,#FFE7EF);border-radius:11px;
  padding:13px 16px;font-weight:800;color:#8A3A1E}

/* ------------------------------ confirm ------------------------------ */
.card{background:var(--panel);border:1.5px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.row{display:flex;justify-content:space-between;gap:16px;align-items:baseline;padding:12px 0;border-bottom:1px solid #F3F1F8}
.row:last-of-type{border-bottom:0}
.row dt{font-size:13px;color:var(--muted);font-weight:500}
.row dd{font-weight:800;text-align:right;font-size:14.5px}

.field{margin-top:16px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.field input{
  width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);
  border:1.5px solid var(--border);border-radius:11px;padding:12px 14px;background:#fff;
}
.field input:focus{outline:none;border-color:var(--amethyst);box-shadow:0 0 0 3px rgba(138,79,216,.13)}
.field .hint{font-size:12px;color:var(--faint);margin-top:5px}

.terms{background:#FAF9FD;border-radius:12px;padding:16px 18px;margin-top:18px}
.terms h3{font-size:13px;font-weight:800;margin-bottom:9px}
.terms li{font-size:13px;color:var(--muted);margin-left:16px;margin-bottom:6px;line-height:1.5}
.terms li:last-child{margin-bottom:0}

label.ack{display:flex;gap:11px;align-items:flex-start;margin-top:18px;font-size:14px;cursor:pointer;color:#3D3A57}
label.ack input{margin-top:4px;width:18px;height:18px;accent-color:var(--amethyst);flex-shrink:0}

.btn{font-family:var(--sans);font-weight:800;font-size:15px;color:#fff;border:0;border-radius:13px;
  background:linear-gradient(120deg,var(--sapphire),var(--amethyst));
  padding:15px 24px;cursor:pointer;margin-top:20px;width:100%;
  box-shadow:0 4px 14px rgba(110,70,210,.28);transition:filter .16s, transform .12s}
.btn:hover:not(:disabled){filter:brightness(1.08)}
.btn:active:not(:disabled){transform:scale(.99)}
.btn:disabled{background:#DEDCE8;color:#9592AA;box-shadow:none;cursor:not-allowed}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.back{background:none;border:0;color:var(--muted);font-family:var(--sans);
  font-size:13.5px;font-weight:700;cursor:pointer;padding:12px 0;margin-top:14px}
.back:hover{color:var(--amethyst)}

/* ------------------------------ messages ------------------------------ */
.alert{
  border-radius:12px;padding:14px 16px;font-size:14px;font-weight:600;margin-bottom:18px;
  border:1.5px solid;
}
.alert.warn{background:#FFF6E8;border-color:#F6D9A8;color:#8A5A12}
.alert.error{background:#FDECEE;border-color:#F5C2C8;color:#9A2333}
.alert.info{background:#E8F1FE;border-color:#BFD8FA;color:#1B4E8F}

.loading{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;padding:14px 0}
.spinner{width:17px;height:17px;border:2.5px solid var(--border);border-top-color:var(--amethyst);
  border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ------------------------------ done ------------------------------ */
.done-panel{text-align:center;padding:38px 0}
.seal{width:74px;height:74px;margin:0 auto 20px;animation:pop .45s cubic-bezier(.2,.9,.3,1.25)}
@keyframes pop{from{transform:scale(.6) rotate(-12deg);opacity:0}to{transform:none;opacity:1}}
.ref{font-size:13px;color:var(--faint);margin-top:16px;font-weight:700}
.ref b{color:var(--ink);font-size:15px;letter-spacing:.04em}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}