*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--dark:#21272a;--yellow:#f3b81f;--bg:#f4f6f8;--white:#ffffff;--border:#dde1e6;--text:#21272a;--muted:#697077;--danger:#da1e28;--success:#24a148;--radius:8px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--dark);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--dark);padding:0;flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 18px 16px;border-bottom:3px solid var(--yellow)}.sidebar-logo span{color:#fff;font-weight:700;font-size:15px}.sidebar nav{padding:12px 0}.sidebar nav a{display:block;padding:10px 18px;color:#c1c7cd;font-size:13.5px;transition:background .15s,color .15s}.sidebar nav a.active,.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}.sidebar-bottom{padding:16px 18px;border-top:1px solid rgba(255,255,255,.1)}.sidebar-bottom button{background:none;border:none;color:#c1c7cd;cursor:pointer;font-size:13px}.sidebar-bottom button:hover{color:#fff}.main{flex:1 1;overflow-x:hidden}.page{max-width:900px;margin:0 auto;padding:32px 24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.card h2{font-size:15px;font-weight:600;margin-bottom:14px}.status-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin-bottom:16px}.status-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.status-card .label{font-size:12px;color:var(--muted);margin-bottom:4px}.status-card .value{font-size:20px;font-weight:700}.status-card .value.ok{color:var(--success)}.status-card .value.warn{color:#f1620a}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:8px 10px}td,th{border-bottom:1px solid var(--border)}td{padding:10px;font-size:13px}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge.sent{background:#d4edda;color:#155724}.badge.failed{background:#f8d7da;color:#721c24}.badge.sending{background:#fff3cd;color:#856404}.form-grid{grid-gap:14px}.form-grid,.form-row{display:grid;gap:14px}.form-row{grid-template-columns:1fr 1fr;grid-gap:14px}.field{display:grid;grid-gap:5px;gap:5px}.field label{font-size:13px;font-weight:600;color:var(--text)}.field input,.field select,.field textarea{padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:var(--font);background:var(--white);width:100%}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--dark);outline-offset:1px}.field textarea{font-family:monospace;resize:vertical}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:opacity .15s}.btn:hover{opacity:.85}.btn-primary{background:var(--dark);color:#fff}.btn-yellow{background:var(--yellow);color:var(--dark)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-group{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.alert{padding:12px 16px;border-radius:6px;font-size:13px;margin-bottom:14px}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--dark)}.login-box{background:var(--white);border-radius:var(--radius);padding:40px;width:360px}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:28px}.login-logo .bar{width:4px;height:32px;background:var(--yellow);border-radius:2px}.login-logo span{font-size:18px;font-weight:700}.items-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:10px;gap:10px;align-items:end}.preview-box{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.preview-box h3{font-size:16px;font-weight:700;margin-bottom:12px}.combobox-item:hover{background:var(--bg)}