:root{
  --teal:#1ba3b4;--teal-d:#0e7c8c;--purple:#8b389e;--purple-d:#5e2470;--gold:#f5c542;--gold-d:#d9a521;
  --navy:#1a0b2e;--red:#e52421;--ink:#1f2333;--muted:#6b7280;--line:#e6e8ef;--bg:#f6f7fb;--card:#ffffff;
  --radius:16px;--shadow:0 10px 30px rgba(26,11,46,.10);
  --grad:linear-gradient(90deg,var(--teal) 0%,var(--purple) 100%);
  --grad-dark:linear-gradient(160deg,#0e7c8c 0%,#5e2470 55%,#1a0b2e 100%);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Nunito","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--teal-d);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-weight:800}
h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:560px}
/* nav */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar .inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--purple);font-size:1.1rem}
.brand img{height:44px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:10px;color:var(--ink);font-weight:700}
.nav a:hover,.nav a.active{background:#eef9fa;color:var(--teal-d);text-decoration:none}
.nav .user{color:var(--muted);font-weight:600;padding:0 8px}
.ribbon{background:var(--grad);color:#fff;text-align:center;font-weight:900;letter-spacing:.3px;padding:10px 16px;font-size:1.1rem}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:800;padding:11px 20px;border-radius:12px;background:var(--teal);color:#fff;transition:.15s;text-decoration:none!important}
.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-purple{background:var(--purple)}.btn-gold{background:var(--gold);color:var(--navy)}.btn-red{background:var(--red)}
.btn-outline{background:transparent;color:var(--teal-d);border:2px solid var(--teal)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-sm{padding:7px 12px;font-size:.9rem;border-radius:10px}.btn-lg{padding:16px 28px;font-size:1.15rem;border-radius:16px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
/* cards & layout */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.card.tight{padding:14px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
.mt{margin-top:18px}.mb{margin-bottom:18px}.muted{color:var(--muted)}.small{font-size:.88rem}.center{text-align:center}
.stat{background:var(--grad-dark);color:#fff;border-radius:var(--radius);padding:18px 20px}
.stat .n{font-size:2.2rem;font-weight:900;line-height:1}.stat .l{opacity:.85;font-weight:700}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:800;background:#eef9fa;color:var(--teal-d)}
.badge.purple{background:#f4e8f7;color:var(--purple)}.badge.gold{background:#fff4d4;color:#8a6200}.badge.red{background:#ffe3e3;color:#a11}.badge.gray{background:#eee;color:#555}
/* forms */
label{display:block;font-weight:800;margin:10px 0 6px;font-size:.92rem}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=search],select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(27,163,180,.15)}
textarea{min-height:90px}
.check{display:flex;align-items:center;gap:8px;font-weight:700}
.check input{width:18px;height:18px}
.inline-form{display:inline}
/* tables */
table.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.tbl th{background:#f3f5fa;font-size:.82rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}
.thumb{width:56px;height:56px;border-radius:12px;object-fit:cover;background:#eee}
.thumb.lg{width:96px;height:96px}
/* flash */
.flash{padding:12px 16px;border-radius:12px;margin:14px 0;font-weight:700}
.flash.success{background:#e4f7ec;color:#13693a}.flash.danger{background:#ffe3e3;color:#a11}.flash.warning{background:#fff4d4;color:#7a5600}.flash.info{background:#e6f3fb;color:#0b4f7a}
/* hero */
.hero{background:var(--grad-dark);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.hero h1{font-size:3rem;margin-bottom:10px}
.hero .gold{color:var(--gold)}
.hero p{font-size:1.2rem;opacity:.92;max-width:680px}
.diya{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--gold);box-shadow:0 0 24px 10px rgba(245,197,66,.45);animation:flicker 2.4s infinite ease-in-out}
@keyframes flicker{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.25)}}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ic{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:1.3rem;flex:none;font-weight:900}
footer{padding:28px 0;color:var(--muted);font-size:.9rem;text-align:center}
/* progress */
.bar{height:12px;background:#e9ecf3;border-radius:999px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--grad);width:0;transition:width .3s}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.gallery .item{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.gallery .item img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block}
.gallery .item .cap{padding:8px 10px;font-size:.85rem}
.score-row{display:grid;grid-template-columns:150px 1fr 48px;gap:12px;align-items:center;margin:10px 0}
.score-row input[type=range]{width:100%}
.kbd{font-family:Consolas,monospace;background:#f1f3f8;padding:2px 6px;border-radius:6px;font-size:.9em}
.rank{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--navy);font-weight:900}
.rank.r2{background:#d7dbe3}.rank.r3{background:#e9c2a1}.rank.rn{background:#eef9fa;color:var(--teal-d)}
.hidden{display:none!important}