*{box-sizing:border-box} :root{--blue:#596cff;--purple:#8b5cf6;--pink:#ff6fae;--green:#38c98a;--text:#26345c;--muted:#7380a0;--line:#dfe5f1;--shadow:0 18px 45px rgba(59,72,126,.12)}
body{margin:0;min-height:100vh;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,rgba(255,216,90,.25),transparent 20%),radial-gradient(circle at 90% 15%,rgba(255,111,174,.16),transparent 22%),linear-gradient(145deg,#edf6ff,#f8f5ff 55%,#fff8fb)}
button,input,select,textarea{font:inherit}.hidden{display:none!important}.admin-shell{width:min(1180px,94%);margin:auto;padding:34px 0 70px}.admin-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.admin-header h1{margin:4px 0;font-size:clamp(32px,5vw,52px)}.admin-header p{margin:0;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:900;color:var(--blue)}.header-actions{display:flex;gap:10px}.card{background:rgba(255,255,255,.95);border:2px solid rgba(105,120,164,.12);border-radius:26px;padding:26px;box-shadow:var(--shadow)}.login-card{max-width:480px;margin:60px auto}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:22px;align-items:start}.card h2{margin:0 0 18px}label{display:block;margin:15px 0;font-weight:800;color:#3c486d}input,select,textarea{width:100%;margin-top:7px;padding:13px 14px;border:2px solid var(--line);border-radius:14px;background:#fff;color:var(--text);outline:none}textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(89,108,255,.11)}small,.hint{display:block;color:var(--muted);font-weight:600;margin-top:6px}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grade-range{display:grid;grid-template-columns:1fr 1fr;gap:8px}fieldset{border:2px dashed var(--line);border-radius:18px;padding:15px;margin:18px 0}legend{font-weight:900;padding:0 8px}.answers-admin{display:grid;gap:9px}.answer-row{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:9px;margin:0}.answer-row>input[type=radio]{width:22px;height:22px;margin:0}.answer-row>input[type=text],.answer-row>input:not([type]){margin:0}.primary,.soft-btn{border:0;border-radius:14px;padding:12px 17px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;box-shadow:0 8px 20px rgba(89,108,255,.22)}.big{width:100%;padding:15px;font-size:17px}.soft-btn{background:#edf1fa;color:#384568}.message{min-height:24px;font-weight:800}.message.error{color:#bd3b4b}.message.success{color:#087657}.preview{margin:10px 0;padding:10px;border:2px solid var(--line);border-radius:16px;background:#fafcff}.preview img{display:block;max-width:100%;max-height:220px;margin:auto;border-radius:10px}.list-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.list-head h2{margin:0}.count{min-width:36px;text-align:center;padding:7px 10px;border-radius:999px;background:#edf2ff;color:var(--blue);font-weight:900}.questions-list{display:grid;gap:12px;margin-top:18px;max-height:940px;overflow:auto;padding-right:3px}.question-item{border:2px solid #e8ecf4;border-radius:18px;padding:15px;background:#fff}.question-item-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.question-item h3{margin:0 0 8px;font-size:17px}.meta{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:12px;font-weight:800}.chip{padding:5px 8px;border-radius:999px;background:#f2f4fb}.correct{margin:10px 0 0;color:#087657;font-weight:900}.question-thumb{width:100%;max-height:150px;object-fit:contain;border-radius:12px;background:#f7f9fd;margin-top:10px}.delete-btn{border:0;background:#fff0f2;color:#b73747;border-radius:10px;padding:8px 10px;font-weight:900;cursor:pointer}.empty{padding:30px 15px;text-align:center;color:var(--muted);border:2px dashed var(--line);border-radius:16px}@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}.list-card{order:2}}@media(max-width:620px){.admin-header{align-items:flex-start;flex-direction:column}.two-cols,.grade-range{grid-template-columns:1fr}.card{padding:20px}}