:root{--indigo: #4f46e5;--indigo-dark: #4338ca;--indigo-50: #eef2ff;--ink: #1e1b2e;--muted: #6b7280;--line: #e5e7eb;--bg: #f7f7fb;--surface: #ffffff;--green: #16a34a;--green-50: #ecfdf5;--red: #dc2626;--amber: #b45309;--shadow: 0 1px 2px rgba(16,16,40,.04), 0 8px 24px rgba(16,16,40,.06);--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}a{color:var(--indigo)}button{font:inherit;cursor:pointer}input,select{font:inherit}.app{min-height:100%;display:flex;flex-direction:column}.nav{background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;padding:0 16px;height:48px;position:sticky;top:0;z-index:20}.nav .brand{font-weight:700;letter-spacing:-.01em;margin-right:18px;display:flex;align-items:center;gap:8px}.nav .brand .dot{width:22px;height:22px;border-radius:6px;background:var(--indigo);display:inline-block}.nav a{text-decoration:none;color:var(--muted);font-weight:600;font-size:14px;padding:8px 12px;border-radius:8px}.nav a.active{color:var(--indigo);background:var(--indigo-50)}.nav .spacer{flex:1}.nav .who{color:var(--muted);font-size:13px}.nav .who b{color:var(--ink)}.container{max-width:880px;margin:0 auto;padding:16px 18px 40px;width:100%}.page-title{font-size:18px;font-weight:700;letter-spacing:-.01em;margin:0 0 2px}.page-sub{color:var(--muted);margin:0 0 14px;font-size:13px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:14px}.btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:7px 12px;border-radius:8px;font-weight:600;font-size:13px;transition:background .12s,border-color .12s}.btn:hover{background:#fafafe}.btn-primary{background:var(--indigo);border-color:var(--indigo);color:#fff}.btn-primary:hover{background:var(--indigo-dark)}.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn-danger{color:var(--red);border-color:#f1c9c9;background:#fef2f2}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:6px 10px;font-size:13px}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}.field label{font-size:13px;font-weight:600;color:var(--ink)}.field .hint{font-size:12px;color:var(--muted)}.input,select.input{border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:#fff;width:100%}.input:focus{outline:2px solid var(--indigo);outline-offset:0;border-color:var(--indigo)}.row{display:flex;gap:10px;align-items:center}.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.cal-head .month{font-weight:700;font-size:15px}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal-dow{text-align:center;font-size:11px;font-weight:700;color:var(--muted);padding:2px 0}.cal-day{min-height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;transition:background .1s,border-color .1s}.cal-day:hover:not(:disabled){border-color:var(--indigo);background:var(--indigo-50)}.cal-day.empty{border:none;background:transparent}.cal-day.today{box-shadow:inset 0 0 0 2px var(--indigo-50)}.cal-day.selected{background:var(--indigo);border-color:var(--indigo);color:#fff}.cal-day:disabled{color:#c7c7d1;background:#fbfbfd;cursor:not-allowed}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#10102873;display:flex;align-items:center;justify-content:center;padding:16px;z-index:40}.modal{background:var(--surface);border-radius:12px;width:100%;max-width:500px;max-height:86vh;overflow:auto;box-shadow:var(--shadow)}.modal-head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0;font-size:15px}.modal-body{padding:14px 16px}.modal-foot{padding:10px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.x{border:none;background:transparent;font-size:22px;line-height:1;color:var(--muted)}.tech-block{margin-bottom:12px}.tech-name{font-weight:700;font-size:13px;margin-bottom:6px;display:flex;align-items:center;gap:8px}.tech-name .pill{font-size:11px;font-weight:700;color:var(--green);background:var(--green-50);padding:2px 8px;border-radius:999px}.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:6px}.slot{border:1px solid var(--line);border-radius:7px;padding:6px 4px;background:#fff;font-weight:600;font-size:12.5px;font-variant-numeric:tabular-nums;color:var(--ink)}.slot:hover{border-color:var(--indigo);background:var(--indigo-50);color:var(--indigo-dark)}.slot.selected{background:var(--indigo);border-color:var(--indigo);color:#fff}.empty-note{color:var(--muted);font-size:14px;padding:14px 0}.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}.badge-tz{color:var(--indigo);background:var(--indigo-50)}.list-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:none}.list-item .main{flex:1;min-width:0}.list-item .when{font-weight:700}.list-item .meta{color:var(--muted);font-size:13px}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:10px;z-index:60;font-size:14px;box-shadow:var(--shadow)}.toast.err{background:var(--red)}.center-screen{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--muted)}.banner{background:#fffbeb;border:1px solid #fde68a;color:var(--amber);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:18px}.tech-rows{display:flex;flex-direction:column;gap:8px}.tech-row{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:center}.wk-rows{display:flex;flex-direction:column;gap:6px}.wk-row{display:grid;grid-template-columns:110px auto 1fr 1fr;gap:10px;align-items:center}.wk-row .day-label{font-weight:600;font-size:13px}.wk-row.off{opacity:.55}