:root{--bg: #f5f7fb;--card: #ffffff;--line: #e7ebf3;--text: #1f2937;--muted: #6b7280;--primary: #2563eb;--primary-soft: #eff6ff}*{box-sizing:border-box}body{color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#111827;color:#fff;display:flex;flex-direction:column;padding:24px 18px}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#60a5fa,#2563eb);display:grid;place-items:center;font-weight:700}.brand-title{font-size:18px;font-weight:700}.brand-subtitle{font-size:12px;color:#ffffffb3}.nav{display:grid;gap:8px}.nav-item{padding:12px 14px;border-radius:12px;color:#fffc}.nav-item.router-link-active{background:#ffffff1f;color:#fff}.sidebar-footer{margin-top:auto;display:grid;gap:12px}.hint{color:#ffffffa6;font-size:12px}.content{flex:1;padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:16px}.page-title{font-size:28px;font-weight:800}.page-subtitle{color:var(--muted);margin-top:6px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 8px 30px #0f172a0a}.stats-grid{display:grid;gap:16px;grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:16px}.stat-label{color:var(--muted);font-size:13px}.stat-value{font-size:30px;font-weight:800;margin-top:10px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.section-title{font-size:18px;font-weight:700;margin-bottom:12px}.list-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);gap:12px}.list-row.block{align-items:start}.empty,.muted{color:var(--muted)}.toolbar{display:flex;gap:12px;margin-bottom:16px}.input,.textarea,select.input{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;outline:none;font:inherit}.input:focus,.textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px var(--primary-soft)}.textarea{resize:vertical}.btn{border:0;border-radius:12px;padding:12px 16px;font:inherit;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:#eef2ff;color:#1e3a8a}.full{width:100%}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line);vertical-align:top}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px}.line2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.link-btn{background:none;border:0;color:var(--primary);cursor:pointer;padding:0}.form-card{margin-top:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field-label{display:block;margin:12px 0 8px;color:#374151;font-weight:600;font-size:14px}.actions-row{margin-top:16px;display:flex;gap:12px}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top,#dbeafe,#f5f7fb 45%)}.login-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 20px 60px #2563eb1f}.login-title{font-size:28px;font-weight:800;margin-bottom:8px}.login-subtitle{color:var(--muted);margin-bottom:18px;line-height:1.6}.error-text{color:#dc2626;margin:12px 0}.message-item{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px;background:#fff}.message-item.user{border-left:4px solid #f59e0b}.message-item.ai{border-left:4px solid #2563eb;background:#f8fbff}.message-meta{color:var(--muted);font-size:12px;margin-bottom:6px}@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.two-col,.form-grid{grid-template-columns:1fr}}@media(max-width:860px){.layout{flex-direction:column}.sidebar{width:100%}.topbar{flex-direction:column;align-items:start}}