:root{--fg:#1f2933;--muted:#52606d;--border:#d9e2ec;--bg:#f5f7fa;--accent:#1d4ed8;--danger:#b91c1c;color:var(--fg);background:var(--bg);font-family:system-ui,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:4px;padding:4px 10px}button.secondary{color:var(--accent);background:#fff}button.danger{background:var(--danger);border-color:var(--danger)}button.active{background:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font:inherit;border:1px solid var(--border);border-radius:4px;padding:4px 6px}.hint{color:var(--muted);margin:4px 0;font-size:12px}.empty{color:var(--muted);padding:8px 0}.demo-bar{z-index:10;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0}.demo-banner{color:#78350f;background:#fef3c7;border-bottom:2px solid #f59e0b;padding:6px 12px;font-size:13px}.demo-controls{flex-wrap:wrap;align-items:center;gap:8px;padding:6px 12px;font-size:13px;display:flex}.confirm{color:var(--danger);align-items:center;gap:6px;display:inline-flex}.fault-panel{border:1px dashed #f59e0b;border-radius:4px;padding:2px 8px}.fault-panel[open]{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.fault-panel input{width:80px;margin-left:4px}.status{border-radius:4px;flex-wrap:wrap;align-items:center;gap:8px;margin:6px 0;padding:6px 10px;font-size:13px;display:flex}.status.compact{padding:2px 6px}.status.loading{background:#e0f2fe}.status.error{color:#7f1d1d;background:#fee2e2}.status.conflict,.status.warning{color:#78350f;background:#fef3c7}.status.cancelled,.status.info{background:#eef2f7}.status.ok{color:#14532d;background:#dcfce7}.spinner{border:2px solid #93c5fd;border-top-color:var(--accent);border-radius:50%;width:12px;height:12px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login{border:1px solid var(--border);background:#fff;border-radius:8px;max-width:720px;margin:24px auto;padding:16px 24px}.persona-list{gap:8px;padding:0;list-style:none;display:grid}.persona-list button{text-align:left;width:100%;color:var(--fg);border-color:var(--border);background:#fff;justify-content:space-between;padding:10px;display:flex}.persona-list button:hover{border-color:var(--accent)}.persona-name{font-weight:600}.persona-role{color:var(--muted);font-size:12px;display:block}.center{padding:24px}.layout{grid-template-columns:220px minmax(320px,1fr) minmax(400px,1.4fr);gap:0;min-height:calc(100vh - 80px);display:grid}.sidebar{border-right:1px solid var(--border);background:#fff;padding:8px}.mailbox-list{margin:4px 0;padding:0;list-style:none}.nav-item{text-align:left;width:100%;color:var(--fg);background:0 0;border:1px solid #0000;flex-direction:column;margin:2px 0;display:flex}.nav-item.active{color:var(--fg);background:#e0e7ff;border-color:#a5b4fc}.mailbox-name{font-weight:600}.mailbox-meta,.mailbox-address{color:var(--muted);font-size:11px}.list-pane,.detail-pane,.main{padding:8px 12px;overflow:auto}.list-pane{border-right:1px solid var(--border)}.main{grid-column:2/4}.filters{flex-wrap:wrap;gap:6px;display:flex}.filters input[type=search]{flex:160px}.count{color:var(--muted);font-size:12px}.threads{margin:0;padding:0;list-style:none}.thread{text-align:left;width:100%;color:var(--fg);border:1px solid var(--border);background:#fff;flex-direction:column;gap:2px;margin:4px 0;padding:8px;display:flex}.thread.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.thread-top{justify-content:space-between;gap:8px;display:flex}.subject{font-weight:600}.date,.thread-meta{color:var(--muted);gap:8px;font-size:12px;display:flex}.snippet{color:var(--muted);font-size:12px}.chips{flex-wrap:wrap;gap:4px;display:flex}.chip{background:#eef2f7;border-radius:10px;align-items:center;gap:2px;padding:1px 8px;font-size:11px;display:inline-flex}.chip.label{background:#ede9fe}.chip.assignee{background:#e0f2fe}.chip.status-unhandled{background:#fee2e2}.chip.status-in_progress{background:#dbeafe}.chip.status-on_hold{background:#fef3c7}.chip.status-done{background:#dcfce7}.chip-remove{color:var(--muted);background:0 0;border:none;padding:0 2px}.mailbox-badge{background:#e0e7ff;border-radius:4px;margin-left:6px;padding:1px 6px;font-size:11px;font-weight:400}.pager{justify-content:center;align-items:center;gap:8px;margin:8px 0;display:flex}.thread-title{font-size:18px}.receipt{border:1px solid var(--border);background:#fff;border-radius:6px;margin-bottom:12px;padding:10px 12px}.receipt h3{margin:0 0 6px;font-size:15px}.receipt dl{grid-template-columns:60px 1fr;gap:2px 8px;margin:0;font-size:13px;display:grid}.receipt dt{color:var(--muted)}.receipt dd{overflow-wrap:anywhere;margin:0}.body-toggle{gap:4px;margin:8px 0 4px;display:flex}.html-frame{border:1px solid var(--border);background:#fff;width:100%;height:320px}.mail-text{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--border);background:#f8fafc;padding:8px;font-family:inherit;font-size:13px}.attachments h4,.handling h4,.notes h4{margin:10px 0 4px;font-size:13px}.triage{flex-direction:column;gap:6px;display:flex}.field-row{flex-wrap:wrap;gap:12px;display:flex}.field-row label{flex-direction:column;gap:2px;font-size:12px;display:flex}.labels-edit{flex-wrap:wrap;align-items:center;gap:4px;font-size:12px;display:flex}.labels-edit input{width:140px}.actions{gap:8px;display:flex}.notes ul{margin:0;padding:0;list-style:none}.note{border-left:3px solid #a5b4fc;flex-direction:column;margin:4px 0;padding:2px 8px;display:flex}.note-meta{color:var(--muted);font-size:11px}.note-body{white-space:pre-wrap;font-size:13px}.notes form{flex-direction:column;gap:4px;display:flex}.counter{color:var(--muted);align-self:flex-end;font-size:11px}.counter.over{color:var(--danger)}.history{margin-top:8px;font-size:12px}.admin table{border-collapse:collapse;background:#fff;margin:6px 0}.admin th,.admin td{border:1px solid var(--border);text-align:left;padding:4px 8px;font-size:13px}.admin-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.admin-actions label{align-items:center;gap:6px;font-size:13px;display:flex}.audit{font-size:12px}.nav-heading{color:var(--muted);margin:12px 0 2px;font-size:12px}.source-badge{border-radius:4px;padding:1px 6px;font-size:11px;font-weight:600}.source-email{color:#075985;background:#e0f2fe}.source-line{color:#14532d;background:#dcfce7;margin-left:6px}.thread-meta .source-line{margin-left:0}.line-timeline{flex-direction:column;gap:6px;margin:8px 0;padding:0;list-style:none;display:flex}.line-msg{border:1px solid var(--border);background:#fff;border-radius:8px;flex-direction:column;max-width:90%;padding:6px 10px;display:flex}.line-msg.mine{background:#f0fdf4;align-self:flex-end}.line-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.line-placeholder{color:var(--muted);font-size:12px;font-style:italic}.line-reply,.line-outbox{border:1px solid var(--border);background:#fff;border-radius:6px;flex-direction:column;gap:6px;margin:10px 0;padding:8px 12px;display:flex}.line-reply h4,.line-outbox h4{margin:0;font-size:13px}.line-preview{border:2px solid var(--accent);border-radius:6px;padding:8px}.line-preview h5{margin:0 0 4px;font-size:13px}.line-preview dl{grid-template-columns:80px 1fr;gap:2px 8px;margin:0;font-size:13px;display:grid}.line-preview dd{margin:0}.notices{color:#78350f;margin:6px 0;padding-left:18px;font-size:12px}.confirm-check{align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.line-outbox ul{margin:0;padding:0;list-style:none}.outbox{border-left:3px solid #a5b4fc;flex-direction:column;gap:2px;margin:6px 0;padding:4px 8px;display:flex}.outbox-accepted{border-left-color:#22c55e}.outbox-failed,.outbox-manual_review{border-left-color:var(--danger)}.outbox-unknown{border-left-color:#f59e0b}.reply-grant{align-items:center;gap:2px;margin-left:6px;font-size:12px;display:inline-flex}.line-audit{font-size:12px}.top-nav{border-bottom:1px solid var(--border);background:#fff;gap:6px;padding:6px 12px;display:flex}.tasks-layout,.settings-layout{grid-template-columns:minmax(320px,1fr) minmax(400px,1.4fr)}.settings-layout .main,.tasks-layout .main{grid-column:1/3}.task-status-todo{background:#eef2f7}.task-status-in_progress{background:#dbeafe}.task-status-blocked{background:#fef3c7}.task-status-done{background:#dcfce7}.task-fields{border:1px solid var(--border);background:#fff;border-radius:6px;flex-direction:column;gap:8px;padding:8px 12px;display:flex}.task-fields .field-row{align-items:flex-end}.task-fields textarea{min-width:320px}.task-create,.case-task-form,.account-form{flex-direction:column;gap:6px;max-width:560px;display:flex}.task-create label,.case-task-form label,.account-form label{flex-direction:column;gap:2px;font-size:13px;display:flex}.case-tasks,.provenance{background:#f8fafc;border:1px dashed #a5b4fc;border-radius:6px;margin-top:10px;padding:6px 10px}.case-tasks h4,.provenance h4{margin:2px 0 4px;font-size:13px}.account-banner{color:#075985;background:#e0f2fe;border-bottom:2px solid #38bdf8;padding:6px 12px;font-size:13px}.mock-outbox{background:#fffbeb;border:2px dashed #f59e0b;border-radius:6px;margin-top:16px;padding:8px 12px}.mock-outbox h2{margin:0 0 4px;font-size:15px}.settings section{margin-bottom:16px}