:root{
  color-scheme:dark;
  --blue:#3b82f6; --blue-d:#2563eb; --blue-l:rgba(59,130,246,.16); --red:#dc2626;
  --bg:#0f141b; --card:#1a2230; --card-2:#222c3b; --text:#e6ebf2; --muted:#8d99a9; --line:#2b3545;
  --ok:#4ade80; --ok-bg:#13301f; --err:#f87171; --err-bg:#3a1717; --warn-bg:#3a2a0a; --warn:#fbbf24;
  --radius:14px; --shadow:0 2px 14px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--blue)}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 16px}
body.wide .wrap{max-width:1400px}
.main{flex:1;padding-top:20px;padding-bottom:40px}
.topbar{background:#121820;border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:600}
.brand__mark{background:var(--blue);color:#fff;border-radius:8px;padding:3px 8px;font-size:14px;letter-spacing:.5px}
.brand__text{font-size:15px}
.topnav{display:flex;align-items:center;gap:14px;font-size:14px}
.topnav a{text-decoration:none;font-weight:500}
.topnav__user{color:var(--muted)}
.inline{display:inline}
.foot{color:var(--muted);font-size:12px;padding:14px 16px;text-align:center}
.ver{opacity:.5;margin-left:6px}
.h1{font-size:26px;margin:0 0 8px;font-weight:700;letter-spacing:-.01em}
.h2{font-size:18px;margin:0 0 12px}
.lead{margin:0 0 20px;color:var(--muted);font-size:16px}
.muted{color:var(--muted)}
.small{font-size:13px}
.center{text-align:center}
.nowrap{white-space:nowrap}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card--auth{max-width:420px;margin:30px auto}
.form{display:flex;flex-direction:column;gap:14px;margin-top:10px}
.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
.field input{font:inherit;font-weight:400;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);font-size:16px}
.field input:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
/* автозаполнение браузера: не даём ему красить поле в светлый фон */
input:-webkit-autofill,input:-webkit-autofill:hover,input:-webkit-autofill:focus,input:-webkit-autofill:active{
  -webkit-text-fill-color:var(--text);caret-color:var(--text);
  -webkit-box-shadow:0 0 0 1000px var(--bg) inset;box-shadow:0 0 0 1000px var(--bg) inset;
  border-color:var(--line);transition:background-color 99999s ease-out 0s}
input:autofill{color:var(--text);background:var(--bg)}
input,select,textarea,button{color-scheme:dark}
input::placeholder{color:#5c6878}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-size:15px;font-weight:600;padding:11px 18px;border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .15s,transform .05s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-d)}
.btn--primary:disabled{background:#2f4468;color:#8fa3c4;cursor:not-allowed}
.btn--ghost{background:var(--card-2);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{background:var(--blue-l)}
.btn--danger{background:var(--red);color:#fff}
.btn--danger-ghost{background:var(--card-2);border-color:#5a2a2a;color:var(--err)}
.btn--block{width:100%}
.btn--sm{padding:6px 10px;font-size:13px;border-radius:8px}
.alert{padding:12px 14px;border-radius:10px;margin:12px 0;font-size:14px}
.alert--ok{background:var(--ok-bg);color:var(--ok)}
.alert--err{background:var(--err-bg);color:var(--err)}
.alert--warn{background:var(--warn-bg);color:var(--warn)}

/* ---- student page ---- */
.grid2{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:860px){.grid2{grid-template-columns:1.1fr 1fr;align-items:start}}

.card-preview{position:relative;width:100%;max-width:560px;margin:0 auto;aspect-ratio:800/503;border-radius:4.5% / 7%;overflow:hidden;box-shadow:0 12px 36px rgba(0,0,0,.5);background:#dfe8f2;--cw:560px;user-select:none}
.card-preview__bg{position:absolute;inset:0;width:100%;height:100%;display:block}
/* серый прямоугольник шаблона: x 473..796 y 56..464 из 800×503 */
.card-preview__photo{position:absolute;left:59.125%;top:11.13%;width:40.5%;height:81.3%;background:#7a7a7a;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-preview__photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top}
.card-preview__photo img[hidden]{display:none}
.card-preview__hint{color:#fff;opacity:.85;font-size:calc(var(--cw) * .035);text-align:center;line-height:1.3}
.card-preview__name{position:absolute;left:3.1%;width:54.4%;top:45.1%;height:33.2%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:calc(var(--cw) * .012);font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-weight:700;font-size:calc(var(--cw) * .039);line-height:1.05;color:#111;letter-spacing:.01em;text-align:center;white-space:nowrap}
.card-preview__role{position:absolute;left:3.1%;width:54.4%;top:78.3%;height:13.7%;display:flex;align-items:center;justify-content:center;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-weight:700;font-size:calc(var(--cw) * .04);color:#111;white-space:nowrap}

.status{margin:14px auto 0;max-width:560px;padding:10px 14px;border-radius:10px;background:var(--card);border:1px solid var(--line);font-size:14px;text-align:center}
.status--done{background:var(--ok-bg);border-color:#1f4d31;color:var(--ok)}

.uploader{max-width:560px;margin:14px auto 0;display:flex;flex-direction:column;gap:10px}
.dropzone{display:flex;flex-direction:column;align-items:center;gap:4px;padding:22px 16px;border:2px dashed #3a4657;border-radius:var(--radius);background:var(--card);cursor:pointer;text-align:center;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.is-over{border-color:var(--blue);background:var(--blue-l)}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.dropzone__icon{font-size:30px}
.dropzone__text{font-size:15px}
.dropzone__sub{font-size:12px;color:var(--muted)}
.uploader__file{font-size:13px;color:var(--muted);text-align:center}
.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.progress__bar{height:100%;width:0;background:var(--blue);transition:width .2s}
@media(hover:none){.desktop-only{display:none}}

.reqs{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:520px){.reqs{grid-template-columns:1fr 150px;align-items:start}}
.reqs__list{margin:0;padding-left:20px;font-size:14px;display:flex;flex-direction:column;gap:8px}
.reqs__example{margin:0;text-align:center}
.reqs__example img{width:100%;max-width:150px;aspect-ratio:3/4;object-fit:cover;border-radius:10px;box-shadow:var(--shadow);display:block;margin:0 auto}
.reqs__example figcaption{font-size:12px;color:var(--muted);margin-top:6px}

.fireworks{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:50}
.fireworks[hidden]{display:none}

/* ---- admin ---- */
.admin-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.admin-actions{display:flex;flex-wrap:wrap;gap:8px}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:end;background:var(--card);padding:12px 14px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;font-size:13px}
.filters label{display:flex;flex-direction:column;gap:4px;font-weight:500}
.filters select,.filters input{font:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);min-width:140px}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.stat{background:var(--card);border-radius:10px;box-shadow:var(--shadow);padding:8px 14px;display:flex;align-items:baseline;gap:8px}
.stat b{font-size:20px;color:var(--blue)}
.stat span{font-size:12px;color:var(--muted)}
.table-wrap{overflow-x:auto;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;font-size:14px;min-width:900px}
.table th,.table td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle;text-align:left}
.table th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;background:#151c27;position:sticky;top:0}
.table tr:hover td{background:#1f2937}
.num{color:var(--muted);width:30px}
.thumb{width:44px;height:58px;object-fit:cover;border-radius:6px;display:block;background:var(--card-2)}
.thumb--empty{display:flex;align-items:center;justify-content:center;color:#4b5565}
.fio{font-weight:600}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--card-2);color:var(--muted);font-size:12px}
.tag--ok{background:var(--ok-bg);color:var(--ok)}
.err-text{color:var(--err);font-size:12px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.actions{white-space:nowrap;width:1%}
.icon-row{display:flex;gap:6px;align-items:center}
.icon-row form{display:flex;margin:0}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:9px;border:1px solid var(--line);background:var(--card-2);color:var(--muted);cursor:pointer;padding:0;font:inherit;text-decoration:none;transition:color .15s,background .15s,border-color .15s,transform .05s}
.icon-btn:hover,.icon-btn:focus-visible{color:var(--text);background:var(--blue-l);border-color:rgba(59,130,246,.5);outline:none}
.icon-btn:active{transform:translateY(1px)}
.icon-btn--accent{color:var(--blue)}
.icon-btn--danger{color:#c46a6a}
.icon-btn--danger:hover,.icon-btn--danger:focus-visible{color:var(--err);background:var(--err-bg);border-color:#7a3333}
.icon-btn--slot{visibility:hidden}
.icon-btn.is-busy{pointer-events:none;color:var(--blue)}
.icon-btn.is-busy .ico{animation:spin 1s linear infinite}
.ico{width:17px;height:17px;display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.tip{position:fixed;z-index:60;pointer-events:none;background:#0b1017;color:var(--text);border:1px solid var(--line);font-size:12px;font-weight:500;padding:5px 8px;border-radius:7px;box-shadow:var(--shadow);white-space:nowrap;opacity:0;transform:translateY(3px);transition:opacity .12s,transform .12s}
.tip.is-on{opacity:1;transform:none}
.table tr.is-target td{animation:rowflash 2.4s ease-out}
@keyframes rowflash{0%,35%{background:rgba(59,130,246,.22)}100%{background:transparent}}
.toast{position:fixed;left:50%;bottom:20px;z-index:50;transform:translateX(-50%);display:flex;align-items:center;gap:10px;max-width:calc(100% - 32px);background:var(--ok-bg);color:var(--ok);border:1px solid rgba(74,222,128,.3);padding:11px 10px 11px 16px;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.5);font-size:14px;transition:opacity .3s,transform .3s}
.toast--err{background:var(--err-bg);color:var(--err);border-color:rgba(248,113,113,.35)}
.toast.is-hidden{opacity:0;transform:translate(-50%,12px);pointer-events:none}
.toast__close{background:none;border:0;color:inherit;font-size:20px;line-height:1;cursor:pointer;opacity:.7;padding:0 4px}
.toast__close:hover{opacity:1}
code{font-size:12px;background:var(--card-2);padding:1px 5px;border-radius:4px}
@media(max-width:600px){.h1{font-size:22px}.brand__text{display:none}.topnav{gap:8px;font-size:13px}.topnav__user{display:none}.btn--sm{padding:5px 8px}}