:root{
  --bg:#f1f5f9;--card:#fff;--pri:#2563eb;--pri-d:#1d4ed8;--bd:#e2e8f0;
  --txt:#0f172a;--mut:#64748b;--err:#dc2626;--ok:#16a34a;--soft:#f8fafc;
  --radius:12px;--shadow:0 4px 14px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt)}
a{color:var(--pri);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- AUTH ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{background:var(--card);border:1px solid var(--bd);border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:460px;padding:28px}
.auth-card.wide{max-width:640px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.brand img{height:48px}
.brand h1{font-size:18px;margin:0}
.brand span{font-size:12px;color:var(--mut)}
.sub{color:var(--mut);font-size:13px;margin:0 0 18px}
.auth-card form{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.auth-card form .f{margin-bottom:0}
.f{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid2 .full{grid-column:1/-1}
label{font-size:13px;font-weight:600;color:#334155}
input,select{padding:10px 12px;border:1px solid var(--bd);border-radius:8px;font-size:14px;font-family:inherit;width:100%}
input:focus,select:focus{outline:2px solid var(--pri);outline-offset:-1px;border-color:var(--pri)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border:0;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;background:var(--pri);color:#fff}
.btn:hover{background:var(--pri-d);text-decoration:none}
.btn.w-full{width:100%}
.btn.ghost{background:var(--soft);color:var(--txt);border:1px solid var(--bd)}
.btn.ghost:hover{background:#eef2f7}
.btn.danger{background:var(--err)}
.btn.sm{padding:7px 12px;font-size:13px}
.foot{margin-top:16px;text-align:center;font-size:13px;color:var(--mut)}
.inline-msg{padding:11px 14px;border-radius:9px;font-size:13px;margin-bottom:14px;display:none}
.inline-msg.err{display:block;background:#fef2f2;border:1px solid #fecaca;color:var(--err)}
.inline-msg.ok{display:block;background:#f0fdf4;border:1px solid #bbf7d0;color:var(--ok)}

/* ---------- MODALE ---------- */
.modal-ov{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-ov.show{display:flex}
.modal{background:#fff;border-radius:14px;max-width:440px;width:100%;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal h3{margin:0 0 8px;font-size:17px}
.modal p{margin:0 0 18px;color:#334155;font-size:14px;line-height:1.5}
.modal .actions{display:flex;gap:10px;justify-content:flex-end}
.modal .icon{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:12px}
.modal .icon.ok{background:#f0fdf4;color:var(--ok)}
.modal .icon.err{background:#fef2f2;color:var(--err)}
.modal .icon.warn{background:#fffbeb;color:#d97706}

/* ---------- TOPBAR ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--bd);padding:12px 20px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:50}
.topbar img{height:36px}
.topbar .title{font-weight:700;font-size:15px}
.topbar .spacer{flex:1}
.topbar .who{font-size:13px;color:var(--mut)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.pill.ok{background:#f0fdf4;color:var(--ok)}

/* ---------- EDT (lot 3) ---------- */
.app{max-width:1200px;margin:18px auto;padding:0 16px}
.panel{background:#fff;border:1px solid var(--bd);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}
.panel h2{font-size:14px;margin:0 0 12px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.subject-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--bd);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:600;cursor:grab;background:#fff;user-select:none}
.subject-chip .dot{width:12px;height:12px;border-radius:3px}
.subject-chip:active{cursor:grabbing}
.grid-edt{display:grid;border:1px solid var(--bd);border-radius:10px;overflow:hidden;background:#fff}
.grid-edt .cell{border-right:1px solid var(--bd);border-bottom:1px solid var(--bd);position:relative}
.grid-edt .head{background:var(--soft);font-weight:700;font-size:13px;text-align:center;padding:8px 4px}
.grid-edt .timecol{background:var(--soft);font-size:11px;color:var(--mut);text-align:center;padding:2px}
.slot{position:relative}
.slot.dragover{background:#eff6ff}
.slot.break{background:repeating-linear-gradient(45deg,#f1f5f9,#f1f5f9 6px,#e9eef5 6px,#e9eef5 12px);color:var(--mut);font-size:11px;font-weight:600;text-align:center}
.block{position:absolute;left:2px;right:2px;border-radius:8px;padding:6px 8px;font-size:12px;font-weight:600;color:#0f172a;overflow:hidden;cursor:move;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.block .rm{position:absolute;top:2px;right:4px;cursor:pointer;font-weight:700;opacity:.55}
.block .rm:hover{opacity:1}
.block .hz{position:absolute;left:0;right:0;height:8px;cursor:ns-resize}
.block .hz.top{top:0}.block .hz.bottom{bottom:0}
.block .time{font-weight:400;font-size:10px;opacity:.8}
.block .bk-desc{font-weight:400;font-size:10px;opacity:.9;margin-top:2px;line-height:1.2}
.vols{display:flex;flex-wrap:wrap;gap:10px}
.vol{display:flex;align-items:center;gap:8px;font-size:12px;border:1px solid var(--bd);border-radius:8px;padding:6px 10px}
.vol .dot{width:10px;height:10px;border-radius:3px}
.vol b{font-variant-numeric:tabular-nums}

/* ---------- ADMIN ---------- */
.adm{max-width:1200px;margin:18px auto;padding:0 16px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--bd);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .k{font-size:12px;color:var(--mut);font-weight:600}
.stat .v{font-size:26px;font-weight:800;margin-top:4px}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--bd);border-radius:var(--radius);overflow:hidden;font-size:13px}
table.tbl th{background:var(--soft);text-align:left;padding:10px 12px;font-size:12px;color:#334155}
table.tbl td{padding:10px 12px;border-top:1px solid var(--bd)}
.tag{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px}
.tag.on{background:#f0fdf4;color:var(--ok)}
.tag.off{background:#fef2f2;color:var(--err)}
.tag.admin{background:#eff6ff;color:var(--pri)}

@media(max-width:640px){.grid2{grid-template-columns:1fr}}

/* ---------- IMPRESSION ---------- */
@media print{
  body{background:#fff}
  .topbar,.no-print,.modal-ov{display:none !important}
  .app{margin:0;max-width:none}
  .panel{box-shadow:none;border:none;margin:0;padding:0}
  #printZone{page-break-inside:avoid}
}