:root{--bg: #f4f6f9;--surface: #ffffff;--border: #dde2ea;--text: #1f2933;--muted: #6b7684;--primary: #1f4e8c;--primary-soft: #e8eef7;--accent: #c0392b;--radius: 8px;font-family:Hiragino Sans,Yu Gothic UI,Meiryo,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button{font:inherit;color:inherit;cursor:pointer}h1,h2{margin:0}.app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;background:var(--primary);color:#fff}.brand{display:flex;align-items:center;gap:12px;background:none;border:none;color:#fff;text-align:left;padding:0}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:6px;background:#fff;color:var(--primary);font-weight:700}.brand-company{display:block;font-size:12px;opacity:.85}.brand-system{display:block;font-size:17px;font-weight:700}.user{display:flex;align-items:center;gap:10px;font-size:14px}.user-dept{padding:2px 8px;border:1px solid rgba(255,255,255,.5);border-radius:4px;font-size:12px}.main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:28px 24px}.welcome{margin-bottom:20px}.welcome h1{font-size:22px}.welcome p{margin:4px 0 0;color:var(--muted);font-size:14px}.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px}.menu-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:left;transition:border-color .15s,box-shadow .15s}.menu-card:hover,.menu-card:focus-visible{border-color:var(--primary);box-shadow:0 2px 8px #1f4e8c1f;outline:none}.menu-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:var(--radius);background:var(--primary-soft);color:var(--primary)}.menu-icon.large{width:72px;height:72px}.menu-title{font-size:17px;font-weight:700}.menu-desc{font-size:13px;color:var(--muted);flex:1}.menu-stat{font-size:12px;font-weight:600;color:var(--primary);border-top:1px solid var(--border);padding-top:8px;width:100%}.panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;min-width:0}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.panel-head h2{font-size:15px}.link{background:none;border:none;padding:0;color:var(--primary);font-size:13px}.link:hover{text-decoration:underline}.list{list-style:none;margin:0;padding:0}.list li{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.list li:last-child{border-bottom:none}.list-date{color:var(--muted);font-size:12px}.list-text{flex-basis:100%}.badge{font-size:11px;padding:1px 6px;border-radius:4px;background:var(--primary-soft);color:var(--primary)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border)}.table th{font-size:12px;color:var(--muted);font-weight:600}.table tr:last-child td{border-bottom:none}.nowrap{white-space:nowrap}.status{font-size:12px;padding:2px 8px;border-radius:10px;white-space:nowrap}.status.doing{background:#fff4e0;color:#9a5b00}.status.todo{background:#eef0f3;color:var(--muted)}.placeholder-body{margin-top:16px;padding:48px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.placeholder-body p{margin:0}.muted{color:var(--muted);font-size:14px}.footer{text-align:center;font-size:12px;color:var(--muted);padding:16px}.primary-btn{padding:10px 20px;border:none;border-radius:6px;background:var(--primary);color:#fff;font-weight:600}.primary-btn:hover:not(:disabled){background:#173d6e}.primary-btn:disabled{opacity:.5;cursor:not-allowed}.secondary-btn{padding:9px 20px;border:1px solid #c9a23a;border-radius:6px;background:#fffaf0;color:#5c4300;font-weight:600}.secondary-btn:hover{background:#fff1cc}.mode-banner{padding:6px 16px;font-size:13px;text-align:center;border-bottom:1px solid}.mode-banner.demo{background:#fff4d6;color:#6b4b00;border-color:#f0d58a}.loading{flex:1;display:grid;place-items:center;color:var(--muted)}.user-avatar{width:28px;height:28px;border-radius:50%;background:#fff}.user-name{max-width:16em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;border-radius:4px;padding:3px 10px;font-size:12px}.logout:hover{background:#ffffff26}.login-wrap{flex:1;display:grid;place-items:center;padding:32px 16px}.login-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.brand-mark.solid{background:var(--primary);color:#fff}.brand-company.dark{color:var(--muted);opacity:1}.login-title{font-size:18px;font-weight:700}.login-heading{font-size:18px;margin-bottom:14px}.login-lead{font-size:13px;color:var(--muted);margin:-6px 0 14px}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 12px;border:1px solid #c6ccd5;border-radius:6px;background:#fff;color:var(--text);font-weight:600}.google-btn:hover:not(:disabled){background:#f7f9fc;border-color:var(--primary)}.google-btn:disabled{opacity:.7;cursor:wait}.page-error{margin:0;padding:8px 12px;border-radius:6px;background:#fdecea;color:var(--accent);font-size:13px}.chat-loading{margin:auto}.config-missing{padding:12px;border:1px dashed var(--border);border-radius:6px;background:#f7f8fa;font-size:13px;color:var(--muted)}.config-missing code{background:#e8ebf0;padding:0 4px;border-radius:3px}.login-note{font-size:12px;color:var(--muted);margin:8px 0 0}.login-error{margin:10px 0 0;padding:8px 12px;border-radius:6px;background:#fdecea;color:var(--accent);font-size:13px}.demo-section{margin-top:24px;padding-top:18px;border-top:2px dashed #f0d58a}.demo-heading{font-size:13px;color:#9a6b00;margin-bottom:10px}.demo-box{display:flex;flex-direction:column;gap:12px}.demo-warning{margin:0;padding:10px 12px;background:#fff8e6;border:1px solid #f0d58a;border-radius:6px;font-size:13px;color:#5c4300}.employee-list{border:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.employee-list legend{font-size:13px;font-weight:600;margin-bottom:6px;padding:0}.employee{display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:14px}.employee.checked{border-color:var(--primary);background:var(--primary-soft)}.employee-name{font-weight:600}.employee-meta{margin-left:auto;font-size:12px;color:var(--muted)}.main-wide{max-width:1280px}.chat-page{display:flex;flex-direction:column;gap:12px}.chat-topbar{display:flex;justify-content:space-between;align-items:center;gap:8px}.sample-tag{font-size:12px;padding:2px 8px;border-radius:4px;background:#fff4d6;color:#6b4b00}.chat-layout{display:grid;grid-template-columns:260px 1fr;height:calc(100vh - 210px);min-height:460px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.chat-sidebar{border-right:1px solid var(--border);background:#f9fafc;padding:12px;display:flex;flex-direction:column;min-height:0}.new-chat-btn{padding:9px;border:1px solid var(--primary);border-radius:6px;background:var(--surface);color:var(--primary);font-weight:600}.new-chat-btn:hover:not(:disabled){background:var(--primary-soft)}.history-label{font-size:12px;color:var(--muted);font-weight:600;margin:14px 4px 6px}.history-empty{font-size:13px;color:var(--muted);margin:4px}.history-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.history-list li{display:flex;align-items:center;border-radius:6px}.history-list li:hover{background:#eef1f5}.history-list li.active{background:var(--primary-soft)}.history-item{flex:1;min-width:0;display:flex;flex-direction:column;padding:8px;background:none;border:none;text-align:left}.history-title{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-list li.active .history-title{font-weight:700;color:var(--primary)}.history-time{font-size:11px;color:var(--muted)}.history-delete{background:none;border:none;color:var(--muted);font-size:16px;padding:4px 8px;opacity:0}.history-list li:hover .history-delete,.history-delete:focus-visible{opacity:1}.history-delete:hover{color:var(--accent)}.chat-main{display:flex;flex-direction:column;min-width:0;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.chat-empty{margin:auto;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.chat-empty h2{font-size:18px}.chat-empty p{margin:0}.example-prompts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:8px}.example-prompts button{padding:6px 12px;border:1px solid var(--border);border-radius:16px;background:var(--surface);font-size:13px}.example-prompts button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.msg{display:flex;gap:10px;align-items:flex-start;max-width:860px}.msg-user{flex-direction:row-reverse;align-self:flex-end}.msg-avatar{flex-shrink:0;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-size:12px;font-weight:700;background:var(--primary-soft);color:var(--primary)}.msg-user .msg-avatar{background:var(--primary);color:#fff}.msg-body{display:flex;flex-direction:column;gap:2px;min-width:0}.msg-user .msg-body{align-items:flex-end}.msg-note{font-size:11px;color:var(--muted)}.msg-bubble{padding:10px 14px;border-radius:10px;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;background:#f3f5f8;border:1px solid var(--border)}.msg-user .msg-bubble{background:var(--primary);color:#fff;border-color:var(--primary)}.msg-error .msg-bubble{background:#fdecea;border-color:#f5c2bc;color:var(--accent)}.typing{color:var(--muted)}.chat-input{display:flex;gap:10px;padding:12px 16px 4px;border-top:1px solid var(--border)}.chat-input textarea{flex:1;resize:none;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font:inherit;font-size:14px}.chat-input textarea:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}.send-btn{align-self:stretch}.chat-caution{margin:0;padding:4px 16px 10px;font-size:11px;color:var(--muted)}.admin-page{display:flex;flex-direction:column;gap:14px}.admin-page .welcome{margin-bottom:0}.admin-tag{font-size:12px;padding:2px 8px;border-radius:4px;background:var(--primary-soft);color:var(--primary);font-weight:600}.page-notice{margin:0;padding:8px 12px;border-radius:6px;background:#e8f5ec;color:#1e6b3a;font-size:13px}.admin-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}.admin-toolbar select,.admin-search,.form-field input,.form-field select{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;font-size:14px;background:var(--surface)}.admin-search{flex:1;min-width:200px}.admin-count{font-size:13px;color:var(--muted)}.admin-add{padding:8px 16px}.table-scroll{overflow-x:auto}.employee-table td{vertical-align:middle}.break{overflow-wrap:anywhere}.row-inactive td{color:var(--muted)}.self-tag{margin-left:6px;font-size:11px;padding:0 6px;border-radius:4px;background:#eef0f3;color:var(--muted)}.role-badge{font-size:12px;padding:2px 8px;border-radius:10px;white-space:nowrap;background:#eef0f3;color:var(--muted)}.role-badge.admin{background:var(--primary-soft);color:var(--primary);font-weight:600}.status.active{background:#e8f5ec;color:#1e6b3a}.status.inactive{background:#eef0f3;color:var(--muted)}.table-btn{padding:4px 10px;margin-right:6px;border:1px solid var(--border);border-radius:4px;background:var(--surface);font-size:12px}.table-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.table-btn.danger:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.table-btn:disabled{opacity:.45;cursor:not-allowed}.employee-form{display:flex;flex-direction:column;gap:14px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px 18px}.form-field{display:flex;flex-direction:column;gap:4px}.form-label{font-size:13px;font-weight:600}.form-field input[aria-invalid=true],.form-field select[aria-invalid=true]{border-color:var(--accent)}.form-hint{font-size:12px;color:var(--muted);margin:0}.form-error{font-size:12px;color:var(--accent)}.warning-box{padding:10px 12px;border:1px solid #f0d58a;border-radius:6px;background:#fff8e6;color:#5c4300;font-size:13px}.readonly-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px 18px;margin:0;padding:10px 12px;border-radius:6px;background:#f7f8fa}.readonly-info dt{font-size:12px;color:var(--muted)}.readonly-info dd{margin:0;font-size:14px}.form-actions{display:flex;justify-content:flex-end;gap:10px}.secondary-plain-btn{padding:10px 20px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}.secondary-plain-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}@media(max-width:800px){.chat-layout{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:auto}.chat-sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:200px}.chat-main{height:70vh;min-height:420px}.history-delete{opacity:1}}@media(max-width:600px){.header{padding:10px 16px}.user-dept{display:none}.main{padding:20px 16px}.panels{grid-template-columns:1fr}.login-card{padding:20px}}