:root{--bg: #f5f6f8;--surface: #ffffff;--text: #1c2330;--muted: #667085;--border: #dde1e8;--primary: #1f5eff;--primary-text: #ffffff;--danger: #c62828;--success: #1b7f3b;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #12151c;--surface: #1a1f29;--text: #e8ebf1;--muted: #98a1b3;--border: #2d3442;--primary: #5b8cff;--primary-text: #0b0f17;--danger: #ef6a6a;--success: #5fcf86;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar h1{margin:0;font-size:18px}.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.who{color:var(--muted)}main{max-width:1000px;margin:0 auto;padding:16px}.center{text-align:center;margin-top:40px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;overflow-x:auto}.tab{background:none;border:none;color:var(--muted);padding:10px 14px;border-bottom:2px solid transparent;border-radius:0;cursor:pointer}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}h2{margin:8px 0 12px;font-size:20px}h3{margin:16px 0 8px;font-size:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin:12px 0}.card.narrow{max-width:380px;margin:40px auto}.notice{border-color:var(--primary)}label{display:block;margin:10px 0;font-weight:500}label.check{display:flex;align-items:center;gap:8px}input:not([type=checkbox]),select{display:block;width:100%;margin-top:4px;padding:8px 10px;font:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px}.topbar select{width:auto;margin:0}button{font:inherit;padding:8px 14px;border-radius:6px;border:1px solid var(--primary);background:var(--primary);color:var(--primary-text);cursor:pointer}button:disabled{opacity:.6;cursor:default}button.secondary{background:transparent;color:var(--text);border-color:var(--border)}button.danger{background:transparent;color:var(--danger);border-color:var(--danger)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.inline-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.inline-form h3{width:100%;margin:0}.inline-form label{margin:0;flex:1 1 180px}.inline-form label.check{flex:0 0 auto}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.muted{color:var(--muted)}.small{font-size:12px}.error{color:var(--danger)}.success{color:var(--success)}.secret{display:block;padding:10px;margin:8px 0;background:var(--bg);border-radius:6px;word-break:break-all;-webkit-user-select:all;user-select:all}.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--border);border-radius:10px;margin:12px 0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}tr:last-child td{border-bottom:none}th{color:var(--muted);font-weight:600;font-size:13px}tr.clickable{cursor:pointer}tr.clickable:hover{background:var(--bg)}td.actions{display:flex;gap:6px;flex-wrap:wrap}.headers{display:grid;grid-template-columns:max-content 1fr;gap:2px 14px;margin:8px 0 16px}.headers dt{color:var(--muted)}.headers dd{margin:0;word-break:break-word}.attachments ul{list-style:none;padding:0;margin:6px 0 12px}.attachments li{margin:4px 0}.subtabs{display:flex;gap:4px;margin:8px 0}.mail-frame{width:100%;min-height:200px;border:1px solid var(--border);border-radius:6px;background:#fff}.mail-body{white-space:pre-wrap;word-break:break-word;font:inherit;background:var(--bg);padding:12px;border-radius:6px;max-height:60vh;overflow:auto}