:root{--primary:#0078FF;--primary-hover:#0069FF;--primary-pressed:#0052E0;--primary-disabled:#99CEFF;--text-strong:#141A24;--text-default:#354153;--text-muted:#697383;--text-placeholder:#99A1B1;--text-disabled:#B4BBCB;--border-default:#E5E8EF;--border-strong:#CBD1DC;--bg-base:#F2F3F8;--bg-surface:#FFF;--success:#00A180;--success-bg:#E6FEF0;--warning:#FA7900;--warning-bg:#FFF8E6;--danger:#FF3A5B;--danger-bg:#FFDBDF;--info:#0069FF;--info-bg:#EBF5FF}*{box-sizing:border-box}body{margin:0;background:var(--bg-base);color:var(--text-default);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px}button,input,textarea{font:inherit}button{min-height:52px;border:0;border-radius:12px;font-weight:700;cursor:pointer}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-hover)}.primary:active{background:var(--primary-pressed)}.primary:disabled{background:var(--primary-disabled);cursor:not-allowed}.shell{max-width:720px;margin:auto;padding:32px 16px}.admin-shell{max-width:1440px;margin:auto;padding:32px}.card{background:var(--bg-surface);border-radius:16px;padding:24px;box-shadow:0 1px 3px rgba(20,26,36,.08)}h2{font-size:22px;line-height:1.3;margin:0 0 24px;color:var(--text-strong)}h3{font-size:18px;line-height:1.4;margin:32px 0 16px;color:var(--text-strong)}label{display:block;font-size:13px;margin:0 0 8px;color:var(--text-default)}input[type=text],input[type=password],textarea{width:100%;min-height:52px;padding:14px 16px;border:1px solid var(--border-default);border-radius:12px;outline:0;background:var(--bg-surface);color:var(--text-strong)}textarea{min-height:104px;resize:vertical}input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--info-bg)}.time-input{font-variant-numeric:tabular-nums;font-size:16px;font-weight:500;letter-spacing:.02em}.field{margin-bottom:24px}.radios{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.radio{margin:0;min-height:52px;border:1px solid var(--border-default);border-radius:12px;padding:12px;display:flex;align-items:center;gap:8px;cursor:pointer}.radio:has(input:checked){border-color:var(--primary);background:var(--info-bg)}.radio input{accent-color:var(--primary)}.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.file-picker{display:flex}.file-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;margin:0;padding:0 20px;border:1px solid var(--border-strong);border-radius:12px;background:var(--bg-surface);color:var(--text-default);font-size:16px;font-weight:700;cursor:pointer}.file-button:hover{border-color:var(--primary);color:var(--primary);background:var(--info-bg)}.file-input:focus-visible+.file-button{outline:2px solid var(--primary);outline-offset:2px}.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.thumb{position:relative;width:80px;height:80px;border:1px solid var(--border-default);border-radius:12px;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}.thumb button{position:absolute;top:2px;right:2px;min-height:28px;width:28px;border-radius:6px;background:var(--text-strong);color:white}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.number{font-variant-numeric:tabular-nums;color:var(--text-strong);font-weight:700}.pending{font-size:12px;color:var(--text-muted)}.submit-button{width:100%;margin-top:8px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 16px;border-radius:6px;background:var(--text-strong);color:white;opacity:0;transition:.2s;pointer-events:none}.badge{display:inline-block;padding:4px 8px;border-radius:6px;font-size:12px;font-weight:500;white-space:nowrap}.info{color:var(--info);background:var(--info-bg)}.warning{color:var(--warning);background:var(--warning-bg)}.danger{color:var(--danger);background:var(--danger-bg)}.success{color:var(--success);background:var(--success-bg)}.signal{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500}.signal i{display:block;width:10px;height:10px;border-radius:50%}.signal-on{color:var(--success)}.signal-on i{background:var(--success)}.signal-off{color:var(--danger)}.signal-off i{background:var(--danger)}.table-wrap{overflow:auto;background:var(--bg-surface);border-radius:16px;box-shadow:0 1px 3px rgba(20,26,36,.08)}table{border-collapse:collapse;width:100%;min-width:1100px}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-default);vertical-align:top}th{font-size:12px;color:var(--text-muted);font-weight:500}td{font-size:13px;color:var(--text-default)}tr.flash{animation:flash 2s}@keyframes flash{from{background:var(--info-bg)}to{background:transparent}}.plain{background:transparent;color:var(--primary);min-height:32px}.manage{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:end}.manage button{min-height:52px}@media(max-width:600px){.shell{padding:16px}.card{padding:16px}.radios{grid-template-columns:1fr}.admin-shell{padding:16px}.manage{grid-template-columns:1fr}}
.time-input{width:100%;min-height:52px;padding:14px 16px;border:1px solid var(--border-default);border-radius:12px;outline:0;background:var(--bg-surface);color:var(--text-strong)}
#supervisors td{vertical-align:middle}#supervisors td:last-child{white-space:nowrap}#supervisors .plain{vertical-align:middle;margin:0 4px 0 0}.secondary{background:var(--bg-surface);border:1px solid var(--border-strong);color:var(--text-default)}.secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--info-bg)}.google-panel{margin-top:32px}.google-panel h3{margin-top:0}.google-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:8px;align-items:end}.google-actions{display:flex;gap:8px}.google-actions button{padding:0 16px;white-space:nowrap}.google-status{display:block;margin-top:12px;font-size:13px;color:var(--text-muted)}
input[type=url]{width:100%;min-height:52px;padding:14px 16px;border:1px solid var(--border-default);border-radius:12px;outline:0;background:var(--bg-surface);color:var(--text-strong)}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.page-actions{display:flex;gap:8px}.page-head h2{margin-bottom:24px}.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 16px;border-radius:12px;text-decoration:none;font-size:15px;font-weight:700}.record-reset{display:flex;justify-content:flex-end;margin-top:16px}.danger-button{min-height:48px;padding:0 16px;background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger)}.danger-button:disabled{color:var(--text-disabled);border-color:var(--border-default);background:var(--bg-base);cursor:not-allowed}.dashboard-shell{max-width:1440px;margin:auto;padding:32px}.login-card{max-width:480px;margin:auto}.dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.metric-card{grid-column:span 2;display:flex;align-items:baseline;justify-content:space-between}.metric-card span{font-size:18px;font-weight:700;color:var(--text-strong)}.metric-value{font-size:32px;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums}.chart-card h3,.trend-card h3{margin-top:0}.type-counts{display:grid;gap:8px}.type-counts>div{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}.issue-name{display:inline-block;padding:4px 8px;border-radius:6px;font-size:13px;font-weight:500}.pie-layout{display:flex;align-items:center;gap:24px}.pie-chart{width:190px;height:190px;flex:0 0 190px;transform:rotate(-90deg)}.pie-base,.pie-piece{fill:none;stroke-width:8}.pie-base{stroke:var(--border-default)}.pie-piece{stroke-linecap:butt}.pie-piece.info{stroke:var(--info)}.pie-piece.warning{stroke:var(--warning)}.pie-piece.danger{stroke:var(--danger)}.pie-legend{display:grid;gap:8px;min-width:0}.pie-legend div{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;font-size:13px}.pie-legend b{font-variant-numeric:tabular-nums;white-space:nowrap}.legend-dot{width:10px;height:10px;border-radius:50%}.legend-dot.info{background:var(--info)}.legend-dot.warning{background:var(--warning)}.legend-dot.danger{background:var(--danger)}.trend-card{grid-column:span 2}.trend{height:280px}.trend svg{width:100%;height:100%;overflow:visible}.trend-grid line{stroke:var(--border-default);stroke-width:1}.trend-grid text,.trend-labels text{fill:var(--text-muted);font-size:12px}.trend-line{fill:none;stroke:var(--primary);stroke-width:3;stroke-linejoin:round;stroke-linecap:round}.time-cell{font-variant-numeric:tabular-nums}@media(max-width:700px){.dashboard-shell{padding:16px}.dashboard-grid{grid-template-columns:1fr;gap:16px}.metric-card,.trend-card{grid-column:span 1}.metric-card{align-items:flex-start;flex-direction:column;gap:8px}.pie-layout{align-items:flex-start;flex-direction:column}.page-head{align-items:flex-start}.page-head h2{margin-bottom:16px}.page-actions{flex-direction:column}}
.bulk-create{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end;margin-top:24px}.bulk-create textarea{min-height:104px}.bulk-create button{min-width:112px}@media(max-width:600px){.bulk-create{grid-template-columns:1fr}.bulk-create button{width:100%}}
.range-form{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:end}.range-form input{width:100%;min-height:52px;padding:14px 16px;border:1px solid var(--border-default);border-radius:12px;outline:0;background:var(--bg-surface);color:var(--text-strong);font-variant-numeric:tabular-nums}.range-value{display:block;margin-top:-16px;margin-bottom:24px;color:var(--text-muted);font-size:13px;font-variant-numeric:tabular-nums}@media(max-width:600px){.range-form{grid-template-columns:1fr}.range-form button{width:100%}}
.trend{overflow:hidden}.trend svg{overflow:hidden}.trend-labels text{font-size:10px}@media(max-width:700px){.trend-labels text{font-size:9px}}
.record-reset{gap:8px}.logout-button{margin-left:auto;padding:0 8px;font-size:13px}