/* IBA MBA Mock Test 2026 – shared site style (home, results, admin). Glass UI, light + dark. */
:root{
  --bg:#eef2f6; --bg2:#d7e2ec; --ink:#0b1424; --mut:#5a6b80; --line:rgba(26,63,117,.14);
  --surface:#ffffff; --glass:rgba(255,255,255,.62); --glass-b:rgba(255,255,255,.95); --glass-in:rgba(26,63,117,.08);
  --acc:#1a3f75; --acc2:#4e6a9c; --soft:#cfdfea; --glow:#f5a524; --ok:#15803d; --bad:#c81e1e;
  --shadow:0 18px 40px -18px rgba(26,63,117,.35), 0 2px 6px rgba(26,63,117,.08); --inset:inset 0 1px 0 rgba(255,255,255,.9);
  --page:radial-gradient(1200px 600px at 85% -10%, #ffffff 0%, transparent 60%), radial-gradient(900px 500px at 0% 100%, #c9d8e6 0%, transparent 60%), linear-gradient(180deg,var(--bg),var(--bg2));
}
:root[data-theme="dark"]{
  --bg:#03060f; --bg2:#06111f; --ink:#e8eef5; --mut:#93a7bd; --line:rgba(255,255,255,.12);
  --surface:#0c1626; --glass:rgba(255,255,255,.06); --glass-b:rgba(255,255,255,.16); --glass-in:rgba(255,255,255,.09);
  --acc:#9cc3e0; --acc2:#6f97c4; --soft:#1a3f75; --glow:#4fb3cf; --ok:#4ade80; --bad:#f87171;
  --shadow:0 24px 60px -24px rgba(0,0,0,.8); --inset:inset 0 1px 0 rgba(255,255,255,.08);
  --page:radial-gradient(1100px 760px at 100% -5%, rgba(79,179,207,.7) 0%, rgba(30,110,140,.35) 35%, transparent 68%), radial-gradient(800px 600px at -10% 110%, rgba(26,63,117,.45) 0%, transparent 60%), linear-gradient(160deg,#00002a 0%,#03060f 55%,#020409 100%);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;color:var(--ink);background:var(--bg)}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.55;background:var(--bg);min-height:100vh;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:var(--page);pointer-events:none}
a{color:var(--acc)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.serif{font-family:'Source Serif 4',Georgia,serif}
.hidden{display:none!important}

/* glass navigation pill (reference: icon tab bar) */
.navrow{position:sticky;top:14px;z-index:30;display:flex;justify-content:center;gap:12px;padding:14px 16px 0}
.nav{display:flex;gap:4px;padding:7px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-b);box-shadow:var(--shadow),var(--inset);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4)}
.nav a,.roundbtn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:86px;height:58px;padding:0 16px;border-radius:999px;color:var(--mut);text-decoration:none;font-size:12.5px;font-weight:500;transition:background .2s,color .2s}
.nav a svg,.roundbtn svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav a:hover{color:var(--ink)}
.nav a.on{background:var(--glass-in);color:var(--ink);box-shadow:var(--inset)}
.roundbtn{min-width:72px;width:72px;height:72px;border:1px solid var(--glass-b);background:var(--glass);box-shadow:var(--shadow),var(--inset);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);cursor:pointer;color:var(--ink)}
@media (max-width:640px){.nav a{min-width:0;padding:0 11px;font-size:11px}.nav a span{display:none}.nav a{height:48px;width:52px}.roundbtn{width:62px;height:62px;min-width:62px}}

/* hero */
.hero{padding:70px 0 30px;text-align:center}
.kicker{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--glass)}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.05;margin:18px 0 12px;letter-spacing:-.02em}
.hero h1 b{background:linear-gradient(90deg,var(--acc),var(--glow));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{max-width:680px;margin:0 auto;color:var(--mut);font-size:18px}
.namebox{display:flex;gap:8px;max-width:520px;margin:30px auto 0;padding:7px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-b);box-shadow:var(--shadow),var(--inset);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.namebox input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:16px;padding:0 18px;outline:none}
.btn{border:0;border-radius:999px;padding:13px 22px;font:inherit;font-weight:600;cursor:pointer;background:var(--acc);color:#fff;white-space:nowrap}
:root[data-theme="dark"] .btn{color:#00002a}
:root[data-theme="dark"] .btn.ghost{color:var(--ink)}
.btn.ghost{background:var(--glass-in);color:var(--ink)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.hello{margin-top:16px;color:var(--mut);font-size:14px}
.hello b{color:var(--ink)}
.stats{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:34px 0 0}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-b);box-shadow:var(--inset);font-size:14px;color:var(--mut)}
.chip b{color:var(--ink)}

/* sections */
section{padding:46px 0}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-h h2{font-size:28px;margin:0;letter-spacing:-.01em}
.sec-h p{margin:4px 0 0;color:var(--mut)}

/* mock cards (reference: soft pill cards with an icon on the right) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.mcard{position:relative;display:flex;align-items:center;gap:14px;padding:20px 20px 20px 26px;border-radius:30px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--glass-b);box-shadow:var(--shadow),var(--inset);transition:transform .18s,box-shadow .18s}
:root[data-theme="dark"] .mcard{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));backdrop-filter:blur(12px)}
.mcard:hover{transform:translateY(-3px);box-shadow:0 26px 50px -20px rgba(26,63,117,.45),var(--inset)}
.mcard .t{font-size:19px;font-weight:700}
.mcard .s{font-size:13.5px;color:var(--mut);margin-top:3px}
.mcard .meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--glass-in);color:var(--mut)}
.tag.best{color:var(--ok)}
.tag.new{color:var(--glow)}
.mcard .go{margin-left:auto;flex:none;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--glass-in);font-size:20px;transition:all .2s}
.mcard:hover .go{background:var(--glow);color:#fff;box-shadow:0 0 22px var(--glow)}
.mcard.latest .go{background:radial-gradient(circle,#ffd48a,var(--glow));color:#fff;box-shadow:0 0 26px var(--glow)}
.empty{padding:26px;border-radius:24px;border:1px dashed var(--line);color:var(--mut);text-align:center}

/* glass panels */
.panel{padding:26px 28px;border-radius:28px;background:var(--glass);border:1px solid var(--glass-b);box-shadow:var(--shadow),var(--inset);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.panel h3{margin:0 0 8px;font-size:18px}
.panel p{margin:0 0 10px;color:var(--mut)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{position:relative;padding-left:44px;margin:0 0 14px;color:var(--mut)}
.steps li b{color:var(--ink)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:-2px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--glass-in);color:var(--ink);font-weight:700;font-size:13px}
.files{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.file{font-size:12.5px;padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink)}
:root[data-theme="dark"] .file{background:rgba(255,255,255,.05)}
.file::before{content:"📄 "}
.file.dir::before{content:"📁 "}
.big3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:6px 0 18px}
.pillnum{border-radius:999px;padding:18px 10px;text-align:center;background:var(--surface);border:1px solid var(--glass-b);box-shadow:var(--inset)}
:root[data-theme="dark"] .pillnum{background:rgba(255,255,255,.05)}
.pillnum b{display:block;font-size:30px;line-height:1.1}
.pillnum span{font-size:13px;color:var(--mut)}
.pillnum.ok b{color:var(--ok)}.pillnum.bad b{color:var(--bad)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);font-weight:600}
.formula{font-size:17px;padding:14px 18px;border-radius:18px;background:var(--glass-in);margin:12px 0}
footer{padding:40px 0 60px;color:var(--mut);font-size:13px;text-align:center}

/* forms / misc for results + admin */
.field{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.field input[type=text],.field input[type=password]{flex:1;min-width:200px;padding:12px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit}
:root[data-theme="dark"] .field input{background:rgba(255,255,255,.05)}
.msg{margin-top:10px;font-size:14px;color:var(--mut)}
.msg.err{color:var(--bad)}.msg.ok{color:var(--ok)}
.drop{display:block;border:2px dashed var(--line);border-radius:24px;padding:30px;text-align:center;color:var(--mut);cursor:pointer}
.drop.over{border-color:var(--glow);color:var(--ink)}
details.att{border-bottom:1px solid var(--line);padding:12px 4px}
details.att summary{cursor:pointer;display:flex;flex-wrap:wrap;gap:10px;align-items:center;list-style:none}
details.att summary::-webkit-details-marker{display:none}
.score{font-weight:700;font-size:18px;min-width:70px}
.spark{width:100%;height:120px}
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,20,.45);backdrop-filter:blur(6px);z-index:60;padding:16px}
.modal.on{display:flex}
@media (max-width:640px){.kicker{font-size:10.5px;letter-spacing:.1em}.big3{grid-template-columns:1fr}.panel{padding:20px}.hero{padding-top:44px}}

.lookup{display:grid;grid-template-columns:1fr minmax(280px,460px);gap:18px;align-items:center}
.lookup p{margin:0}
@media (max-width:760px){.lookup{grid-template-columns:1fr}}