/* SGI iOS-inspired UI: only #FFF and #000 as the visual palette. */
:root{
 --white:#FFF; --black:#000;
 --line:rgba(0,0,0,.10); --soft:rgba(255,255,255,.72);
 --shadow:0 18px 50px rgba(0,0,0,.10);
 --radius:24px;
 --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--black);background:var(--white);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",sans-serif;line-height:1.5}
a{color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.78);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);border-bottom:1px solid var(--line)}
.header-inner{height:76px;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:750;letter-spacing:-.02em}
.brand img{width:48px;height:48px;object-fit:contain}
.header-user{display:flex;align-items:center;gap:14px;min-width:0}
.user-name{font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:330px}
.header-btn,.btn{border:1px solid var(--black);background:var(--black);color:var(--white);padding:11px 17px;border-radius:999px;text-decoration:none;font-weight:700;transition:.2s}
.header-btn:hover,.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.16)}
.page{min-height:calc(100vh - 74px);padding:118px 24px 100px;max-width:var(--max);margin:auto}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;min-height:620px}
.kicker{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
h1{font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.055em;margin:12px 0 24px}
h2{font-size:clamp(26px,4vw,42px);letter-spacing:-.04em;margin:0 0 12px}
h3{letter-spacing:-.025em}
.lead{font-size:clamp(18px,2vw,23px);max-width:680px;color:rgba(0,0,0,.66)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn.secondary{background:var(--white);color:var(--black)}
.ios-panel{background:var(--soft);border:1px solid rgba(0,0,0,.09);box-shadow:var(--shadow);border-radius:34px;padding:34px;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}
.login-panel{max-width:520px;margin:auto}
.logo-large{width:90px;height:90px;object-fit:contain;margin-bottom:20px}
.form-row{margin:18px 0}
label{display:block;font-size:13px;font-weight:800;margin-bottom:8px}
input,textarea,select{width:100%;border:1px solid rgba(0,0,0,.16);border-radius:16px;background:rgba(255,255,255,.9);padding:14px 15px;outline:none;transition:.2s}
input:focus,textarea:focus,select:focus{border-color:#000;box-shadow:0 0 0 4px rgba(0,0,0,.07)}
textarea{min-height:130px;resize:vertical}
.alert{border:1px solid #000;border-radius:16px;padding:13px 15px;margin:16px 0;background:#FFF}
.muted{color:rgba(0,0,0,.58)}
.small{font-size:13px}
.site-footer{position:fixed;bottom:0;left:0;right:0;z-index:900;height:46px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.82);backdrop-filter:blur(20px);border-top:1px solid var(--line);font-size:13px}
.site-footer strong{animation:blink 1.15s steps(2,end) infinite}
@keyframes blink{50%{opacity:.12}}
.feedback-wrap{max-width:900px;margin:auto}
.progress{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.progress-track{height:7px;background:#eee;border-radius:99px;overflow:hidden;flex:1;margin:0 16px}
.progress-track span{display:block;height:100%;background:#000;border-radius:99px;transition:.3s}
.question-card{background:#FFF;border:1px solid var(--line);border-radius:32px;padding:clamp(24px,5vw,48px);box-shadow:var(--shadow)}
.q-no{font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.q-title{font-size:clamp(28px,4vw,46px);line-height:1.06;letter-spacing:-.04em;margin:12px 0 28px}
.choice-list{display:grid;gap:12px}
.choice{display:flex;align-items:center;gap:13px;border:1px solid var(--line);border-radius:18px;padding:15px;background:#FFF;transition:.2s}
.choice:has(input:checked){border-color:#000;box-shadow:inset 0 0 0 1px #000}
.choice input{width:auto;accent-color:#000}
.stars{display:flex;gap:7px;flex-wrap:wrap}
.star{width:56px;height:56px;border:1px solid #000;border-radius:17px;background:#FFF;font-size:28px;line-height:1}
.star.selected{background:#000;color:#FFF}
.nav-actions{display:flex;justify-content:space-between;gap:12px;margin-top:24px}
.rating-note{margin-top:10px}
.review-grid{display:grid;gap:10px}
.review-item{border-bottom:1px solid var(--line);padding:12px 0}
.review-item b{display:block}
.dashboard-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{border:1px solid var(--line);border-radius:22px;padding:22px;background:#FFF;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.stat .n{font-size:38px;font-weight:800;letter-spacing:-.05em}
.stat .t{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#FFF}
table{border-collapse:collapse;width:100%;min-width:700px}
th,td{padding:12px 14px;border-bottom:1px solid #eee;text-align:left;font-size:14px}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.pill{display:inline-block;border:1px solid #000;border-radius:99px;padding:4px 9px;font-size:12px;font-weight:800}
.bar-row{display:grid;grid-template-columns:100px 1fr 40px;align-items:center;gap:10px;margin:12px 0}
.bar{height:12px;background:#eee;border-radius:99px;overflow:hidden}.bar span{display:block;height:100%;background:#000}
.report-sheet{max-width:1000px;margin:auto;background:#FFF;border:1px solid #ddd;padding:42px}
.report-actions{position:sticky;top:90px;z-index:5;display:flex;gap:10px;justify-content:flex-end;margin-bottom:15px}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto;padding:30px 0}.admin-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.header-inner{height:68px;padding:0 14px}.brand span{font-size:14px}.brand img{width:40px;height:40px}.user-name{display:none}.page{padding:95px 14px 80px}h1{font-size:46px}.ios-panel{padding:24px;border-radius:26px}.question-card{padding:22px;border-radius:24px}.star{width:48px;height:48px}.stats{grid-template-columns:1fr 1fr}.stat{padding:16px}.stat .n{font-size:30px}.nav-actions .btn{flex:1;text-align:center}.report-sheet{padding:20px}}
@media print{.site-header,.site-footer,.report-actions{display:none!important}.page{padding:0}.report-sheet{border:0;box-shadow:none}}