:root{--bg-page: #f2f2f7;--bg-card: #ffffff;--bg-card-secondary: #f8f8fa;--bg-input: #ffffff;--border: rgba(60, 60, 67, .18);--border-strong: rgba(60, 60, 67, .36);--divider: rgba(60, 60, 67, .1);--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #8e8e93;--text-inverse: #ffffff;--accent: #007aff;--accent-hover: #006bdc;--accent-soft: rgba(0, 122, 255, .12);--success: #34c759;--success-soft: rgba(52, 199, 89, .15);--warn: #ff9500;--warn-soft: rgba(255, 149, 0, .15);--danger: #ff3b30;--danger-soft: rgba(255, 59, 48, .12);--radius-card: 18px;--radius-input: 12px;--radius-button: 12px;--radius-pill: 999px;--sidebar-width: 240px;--header-height: 56px;--page-max-width: 1100px}@media(prefers-color-scheme:dark){:root{--bg-page: #000000;--bg-card: #1c1c1e;--bg-card-secondary: #2c2c2e;--bg-input: #2c2c2e;--border: rgba(235, 235, 245, .18);--border-strong: rgba(235, 235, 245, .36);--divider: rgba(235, 235, 245, .12);--text-primary: #ffffff;--text-secondary: #aeaeb2;--text-tertiary: #8e8e93}}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.45;background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh}.sidebar{background:var(--bg-card);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}.sidebar-brand{font-weight:700;font-size:17px;padding:8px 12px 20px;letter-spacing:-.01em}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-button);color:var(--text-primary);font-size:14.5px;font-weight:500}.sidebar-link:hover{background:var(--bg-card-secondary);text-decoration:none}.sidebar-link.active{background:var(--accent-soft);color:var(--accent)}.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid var(--divider);font-size:13px}.sidebar-footer .username{font-weight:600;color:var(--text-primary);margin-bottom:4px}.sidebar-footer .role{color:var(--text-secondary)}.sidebar-footer .logout{display:block;margin-top:10px;text-align:left;background:none;border:none;color:var(--danger);cursor:pointer;padding:4px 0;font-size:13px}.sidebar-footer .logout:hover{text-decoration:underline}.main{padding:32px 32px 80px;max-width:var(--page-max-width);width:100%}.page-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}.page-title{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:0}.page-subtitle{color:var(--text-secondary);font-size:14px;margin-top:4px}.section-header{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);padding:0 16px 8px;margin-top:24px}.section-header:first-child{margin-top:0}.section-footer{font-size:12px;color:var(--text-secondary);padding:8px 16px 0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden}.card-row{display:flex;align-items:center;gap:12px;padding:14px 16px;min-height:48px}.card-row+.card-row{border-top:1px solid var(--divider)}.card-row .label{color:var(--text-primary);font-weight:500}.card-row .value{margin-left:auto;color:var(--text-secondary);font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius-button);border:1px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s,transform .06s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--text-inverse)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-card-secondary);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--border-strong)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover:not(:disabled){background:#ff3b3033}.btn-ghost{background:transparent;color:var(--accent);padding:6px 10px}.btn-ghost:hover:not(:disabled){background:var(--accent-soft)}.btn-large{padding:12px 18px;font-size:15px;width:100%}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.field-input,.field-select{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-input);padding:10px 12px;font-size:15px;color:var(--text-primary);outline:none;transition:border-color .12s,box-shadow .12s}.field-input:focus,.field-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field-hint{font-size:12px;color:var(--text-tertiary)}.field-error{font-size:13px;color:var(--danger)}.card-row .row-input{border:none;outline:none;background:transparent;font:inherit;color:inherit;flex:1;padding:0}.toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:50px;height:30px;border-radius:999px;background:var(--border);position:relative;cursor:pointer;transition:background .18s}.toggle:before{content:"";position:absolute;top:2px;left:2px;width:26px;height:26px;border-radius:999px;background:#fff;box-shadow:0 2px 4px #00000026;transition:transform .18s}.toggle:checked{background:var(--success)}.toggle:checked:before{transform:translate(20px)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:600}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-neutral{background:var(--bg-card-secondary);color:var(--text-secondary)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--divider);vertical-align:middle}.table th{font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--text-secondary);background:var(--bg-card-secondary)}.table tbody tr:last-child td{border-bottom:none}.table td.number{font-variant-numeric:tabular-nums}.table td.actions{text-align:right;white-space:nowrap}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:20px;z-index:100;animation:fadeIn .15s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-card);border-radius:var(--radius-card);width:min(440px,100%);max-height:90vh;overflow:auto;border:1px solid var(--border)}.modal-header{padding:20px 20px 8px;font-size:18px;font-weight:700}.modal-body{padding:8px 20px 20px;display:grid;gap:16px}.modal-footer{padding:12px 20px 16px;display:flex;gap:8px;justify-content:flex-end}.toolbar{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}.toolbar>*{flex:0 0 auto}.toolbar .field{min-width:160px}.toolbar .spacer{flex:1}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--bg-page)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:28px;width:min(380px,100%)}.login-title{font-size:22px;font-weight:700;margin:0 0 4px;letter-spacing:-.01em}.login-sub{color:var(--text-secondary);font-size:14px;margin:0 0 22px}.login-fields{display:grid;gap:14px;margin-bottom:16px}.login-error{background:var(--danger-soft);color:var(--danger);padding:10px 12px;border-radius:var(--radius-input);font-size:13px;margin-bottom:12px}.muted{color:var(--text-secondary)}.tertiary{color:var(--text-tertiary)}.center-full{display:grid;place-items:center;min-height:100vh}.gap-row{display:flex;gap:8px;align-items:center}.stack{display:grid;gap:16px}.empty-state{padding:48px 24px;text-align:center;color:var(--text-secondary)}.empty-state h3{color:var(--text-primary);margin:0 0 4px;font-size:16px}.empty-state p{margin:0;font-size:14px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;border:1px solid var(--border);border-radius:50%;background:var(--bg-card-secondary);color:var(--text-primary);cursor:pointer;font-size:25px;line-height:1}.icon-button:hover{border-color:var(--border-strong)}.calendar-import{padding:20px;overflow:visible}.calendar-import-copy h2,.calendar-section-header h2{font-size:18px;margin:0}.calendar-import-copy p,.calendar-section-header p{color:var(--text-secondary);font-size:13px;margin:4px 0 0}.calendar-import-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.calendar-file-row{display:flex;align-items:center;gap:10px;min-height:40px;margin-top:16px}.calendar-file-row>.btn-primary{margin-left:auto}.calendar-message{border-radius:var(--radius-input);margin-top:14px;padding:11px 12px;font-size:13px}.calendar-message.error{background:var(--danger-soft);color:var(--danger)}.calendar-message.warning{background:var(--warn-soft);color:var(--warn)}.calendar-message.success{background:var(--success-soft);color:var(--success)}.calendar-message ul{margin:6px 0 0;padding-left:20px}.import-preview{border-top:1px solid var(--divider);margin-top:18px;padding-top:18px}.import-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--divider);border:1px solid var(--divider);border-radius:var(--radius-input);overflow:hidden}.import-summary>div{background:var(--bg-card-secondary);padding:12px;display:grid;gap:2px}.import-summary span{color:var(--text-secondary);font-size:12px}.import-summary strong{font-size:17px;font-variant-numeric:tabular-nums}.import-table-wrap{border:1px solid var(--divider);border-radius:var(--radius-input);margin-top:14px;max-height:320px;overflow:auto}.import-table-wrap .table{min-width:640px}.import-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;min-height:38px}.import-valid{color:var(--success);font-size:13px;font-weight:600}.calendar-section{margin-top:28px}.calendar-section-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.calendar-nav{display:flex;align-items:center;gap:4px}.calendar-shell{overflow-x:auto}.month-grid{display:grid;grid-template-columns:repeat(7,minmax(108px,1fr));min-width:756px}.month-weekday{background:var(--bg-card-secondary);color:var(--text-secondary);font-size:12px;font-weight:600;padding:9px 10px;text-align:center;border-bottom:1px solid var(--divider)}.month-day{min-height:126px;padding:8px;border-right:1px solid var(--divider);border-bottom:1px solid var(--divider);background:var(--bg-card)}.month-day:nth-child(7n){border-right:none}.month-day.outside{background:var(--bg-card-secondary)}.month-day-number{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;color:var(--text-secondary);font-size:12px;font-variant-numeric:tabular-nums}.month-day.today .month-day-number{background:var(--accent);color:#fff}.month-day.outside .month-day-number{color:var(--text-tertiary)}.month-events{display:grid;gap:5px;margin-top:5px}.month-event{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:6px;padding:6px 7px;min-width:0;font-size:11px}.month-event-time{font-weight:700;font-variant-numeric:tabular-nums}.month-event-members,.month-event-location{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.month-event-location{color:var(--text-secondary)}@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;height:auto;flex-direction:row;align-items:center;border-right:none;border-bottom:1px solid var(--border);padding:10px 14px;gap:12px;overflow:visible;z-index:20;background:var(--bg-card)}.sidebar-brand{font-size:15px;padding:0 12px 0 0;white-space:nowrap;flex-shrink:0;border-right:1px solid var(--divider)}.sidebar>nav{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}.sidebar>nav::-webkit-scrollbar{display:none}.sidebar-link{padding:6px 10px;white-space:nowrap;font-size:13px;flex-shrink:0}.sidebar-footer{margin-top:0;padding:0;border-top:none;flex-shrink:0}.sidebar-footer .username,.sidebar-footer .role{display:none}.sidebar-footer .logout{margin-top:0;padding:6px 12px;background:var(--danger-soft);border-radius:var(--radius-button);font-weight:600;font-size:12px}.sidebar-footer .logout:hover{text-decoration:none}.main{padding:20px 16px 80px}.page-header{flex-direction:column;align-items:stretch;gap:12px;margin-bottom:20px}.page-title{font-size:22px}.page-subtitle{font-size:13px}.toolbar{flex-direction:column;align-items:stretch;gap:10px}.toolbar .field{min-width:0}.toolbar .spacer{display:none}.card{overflow-x:auto}.table{font-size:13px;min-width:100%}.table th,.table td{padding:10px 12px}.table td.actions{padding-right:8px}.modal{width:100%;max-height:95vh;border-radius:var(--radius-card) var(--radius-card) 0 0}.modal-backdrop{align-items:end;padding:0}.calendar-import{padding:16px}.calendar-import-fields{grid-template-columns:1fr 1fr}.calendar-file-row{align-items:stretch;flex-wrap:wrap}.calendar-file-row>span:not(.badge){width:100%;order:-1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.calendar-file-row>.btn-primary{margin-left:auto}.import-summary{grid-template-columns:1fr 1fr}.import-actions{align-items:stretch;flex-direction:column}.import-actions .btn{width:100%}.calendar-section-header{align-items:flex-end}}@media(max-width:520px){.calendar-import-fields{grid-template-columns:1fr}}