*{box-sizing:border-box}:root{--bg: #f6f7f9;--card: #ffffff;--ink: #1a2233;--muted: #6b7280;--line: #e5e7eb;--primary: #2563eb;--sidebar: #111827}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar);color:#e5e7eb;display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}.brand{font-weight:700;font-size:18px;padding:8px}.brand-sub{display:block;font-size:11px;font-weight:400;color:#9ca3af}.sidebar nav{display:flex;flex-direction:column;gap:4px;margin-top:16px;flex:1}.sidebar nav a{color:#d1d5db;text-decoration:none;padding:9px 10px;border-radius:8px;font-size:14px}.sidebar nav a:hover{background:#1f2937}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar-footer{border-top:1px solid #374151;padding-top:10px}.me{font-size:12px;color:#9ca3af;margin-bottom:6px;word-break:break-all}.content{flex:1;padding:24px 28px;max-width:1200px}.page-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px}h1{font-size:22px;margin:0}h2{font-size:16px}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:12px}.gate{width:380px;display:flex;flex-direction:column;gap:10px}input,select,textarea{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}textarea{width:100%;min-height:70px;resize:vertical}.btn{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);text-decoration:none;display:inline-block}.btn:hover{background:#f3f4f6}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:#1d4ed8}.btn-green{background:#16a34a;border-color:#16a34a;color:#fff}.btn-green:hover{background:#15803d}.btn-ghost{background:transparent;border-color:transparent;color:inherit}.small-btn{padding:5px 10px;font-size:13px}.tabs{display:flex;gap:6px}.tab{font:inherit;padding:7px 12px;border-radius:20px;border:1px solid var(--line);background:#fff;cursor:pointer}.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}.ticket-list{display:flex;flex-direction:column;gap:8px}.ticket-row{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer}.ticket-row:hover{border-color:#c7d2fe}.ticket-row.escalated{border-left:4px solid #ef4444}.ticket-main{flex:1;min-width:0}.ticket-title{font-weight:600}.ticket-sub{font-size:13px;color:var(--muted)}.badge{color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:20px;white-space:nowrap}.pill{background:#eef2ff;color:#3730a3;font-size:12px;padding:2px 8px;border-radius:20px}.pill-red{background:#fee2e2;color:#b91c1c}.pill-green{background:#dcfce7;color:#15803d}.prio{font-size:12px;font-weight:700}.prio-high,.prio-urgent{color:#dc2626}.prio-low{color:var(--muted)}.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start}@media(max-width:900px){.detail-grid{grid-template-columns:1fr}}.side{position:sticky;top:16px}.prediag{background:#fffbeb;border-color:#fde68a}.chat{display:flex;flex-direction:column;gap:8px;max-height:55vh;overflow-y:auto}.bubble{max-width:75%;padding:8px 12px;border-radius:12px;font-size:14px;white-space:pre-wrap}.bubble.in{background:#f3f4f6;align-self:flex-start;border-bottom-left-radius:4px}.bubble.ai{background:#dbeafe;align-self:flex-end;border-bottom-right-radius:4px}.bubble.tech{background:#dcfce7;align-self:flex-end;border-bottom-right-radius:4px}.bubble-meta{font-size:11px;color:var(--muted);margin-bottom:3px}.media-tag{font-size:12px;background:#0000000f;border-radius:6px;padding:2px 6px;display:inline-block;margin-bottom:4px}.reply-box{display:flex;flex-direction:column;gap:8px}.device-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line)}.device-row:last-of-type{border-bottom:none}.device-row.mine b{color:var(--primary)}.stack{display:flex;flex-direction:column;gap:8px;margin-top:8px}.row{display:flex;align-items:center}.gap{gap:8px}.wrap{flex-wrap:wrap}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:ui-monospace,monospace}.error{color:#dc2626;font-size:13px}.ok{color:#15803d;font-size:13px}code{background:#f3f4f6;padding:1px 5px;border-radius:4px;font-size:12px}