:root{--bg:#f4f5f7;--card:#ffffff;--ink:#1f2430;--muted:#7a8290;--line:#e4e7ec;--accent:#3f5efb;--accentink:#2b3fb0;--radius:14px;--danger:#d64550;--ok:#2e9e5b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}header{background:linear-gradient(120deg,#3f5efb,#7b4dff);color:#fff;padding:26px 22px 22px}header h1{margin:0;font-size:22px;font-weight:700;letter-spacing:.2px}header p{margin:6px 0 0;font-size:13px;opacity:.9}header .top-actions{display:flex;justify-content:flex-end;gap:10px;margin-bottom:8px}.wrap{max-width:1180px;margin:0 auto;padding:18px 16px 60px}.controls{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:18px 0 22px}.seg{display:inline-flex;background:#e9ecf2;border-radius:11px;padding:4px;gap:3px}.seg button{border:0;background:transparent;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:.15s}.seg button.active{background:#fff;color:var(--accentink);box-shadow:0 1px 3px #0000001f}select,input[type=text],input[type=number]{font-size:14px;padding:9px 12px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600}select{min-width:170px;cursor:pointer}.pickwrap{display:flex;align-items:center;gap:9px}.pickwrap label{font-size:13px;color:var(--muted);font-weight:600}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 18px;margin-bottom:20px;box-shadow:0 1px 2px #141e3c0a}.card h2{margin:2px 0 14px;font-size:17px;display:flex;align-items:center;gap:10px}.swatch{width:16px;height:16px;border-radius:5px;border:1px solid rgba(0,0,0,.12);display:inline-block}table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px;table-layout:fixed}th,td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:0;text-align:center;vertical-align:middle}table{border-top:1px solid var(--line);border-left:1px solid var(--line);border-radius:10px;overflow:hidden}thead th{background:#f0f2f6;font-weight:700;color:#39414f;padding:9px 4px;font-size:12.5px}tbody th{background:#f7f8fa;font-weight:700;color:#5a6373;width:44px;font-size:12.5px}td .cell{min-height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 3px;line-height:1.15;height:100%;gap:2px}td .lbl{font-weight:700;font-size:13px}td .note{font-size:10.5px;color:#5c6472;opacity:.9;margin-top:1px}td.empty .cell{background:repeating-linear-gradient(45deg,#fafbfc,#fafbfc 6px,#f4f6f8 6px,#f4f6f8 12px)}.legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:6px}.legend .it{display:flex;align-items:center;gap:6px;font-size:12px;color:#495060}.foot{font-size:11.5px;color:var(--muted);margin-top:10px;line-height:1.5}.daygrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}@media(max-width:560px){.controls{gap:10px}.seg button{padding:8px 11px;font-size:13px}}.gp-layout{display:grid;grid-template-columns:1fr 240px;gap:18px;align-items:start}@media(max-width:900px){.gp-layout{grid-template-columns:1fr}}.teacher-sidebar{position:sticky;top:12px;display:flex;flex-direction:column;gap:8px}.chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:grab;-webkit-user-select:none;user-select:none;font-size:13px;font-weight:600}.chip.dragging{opacity:.4}.chip .rest{margin-left:auto;font-weight:700;font-size:12px;color:var(--ok)}.chip .rest.over{color:var(--danger)}td.dropzone-hover .cell{outline:2px dashed var(--accent);outline-offset:-2px}.cell .pill{display:flex;align-items:center;gap:4px;font-size:11px;font-weight:700;background:#ffffffa6;border-radius:6px;padding:1px 5px;line-height:1.3}.cell .pill .swatch{width:9px;height:9px}.cell.linked{box-shadow:inset 0 0 0 3px var(--group-color, var(--accent))}.cell .card-menu-btn{position:absolute;top:2px;right:2px;font-size:11px;opacity:.5;cursor:pointer;border:0;background:none}td{position:relative}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14192859;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:14px;padding:20px;max-width:420px;width:92%;box-shadow:0 12px 40px #00000040}.modal h3{margin:0 0 12px;font-size:16px}.modal .row{display:flex;align-items:center;gap:8px;margin-bottom:10px}.modal .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}button.btn{border:0;border-radius:9px;padding:9px 14px;font-size:13px;font-weight:700;cursor:pointer}button.btn.primary{background:var(--accent);color:#fff}button.btn.ghost{background:#eef0f4;color:var(--ink)}button.btn.danger{background:#fdeceb;color:var(--danger)}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px}.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left;cursor:pointer;transition:.15s}.tile:hover{box-shadow:0 4px 16px #141e3c14;transform:translateY(-2px)}.tile.disabled{opacity:.55;cursor:default}.tile.disabled:hover{box-shadow:none;transform:none}.tile h3{margin:0 0 6px;font-size:16px}.tile p{margin:0;font-size:12.5px;color:var(--muted)}.tile .badge{display:inline-block;margin-top:10px;font-size:10.5px;font-weight:700;color:var(--muted);background:#eef0f4;border-radius:6px;padding:2px 7px}.plan-row{display:flex;align-items:center;gap:10px;padding:12px 4px;border-bottom:1px solid var(--line)}.plan-row:last-child{border-bottom:0}.plan-row .name{font-weight:700;flex:1}.plan-row .meta{font-size:12px;color:var(--muted)}.badge{display:inline-block;font-size:10.5px;font-weight:700;color:var(--muted);background:#eef0f4;border-radius:6px;padding:2px 7px}.badge.role-editor{color:var(--accentink);background:#e7eaff}.badge.role-viewer{color:#5a6373;background:#eef0f4}@media print{header{-webkit-print-color-adjust:exact;print-color-adjust:exact}.controls{display:none}body{background:#fff}}