:root{--primary: #405189;--primary-rgb: 64, 81, 137;--primary-dark: #364670;--secondary: #3577f1;--success: #0ab39c;--success-rgb: 10, 179, 156;--info: #299cdb;--info-rgb: 41, 156, 219;--warning: #f7b84b;--warning-rgb: 247, 184, 75;--danger: #f06548;--danger-rgb: 240, 101, 72;--body-bg: #f3f3f9;--card-bg: #ffffff;--text: #212529;--muted: #878a99;--border: #e9ebec;--input-border: #ced4da;--sidebar-bg: #405189;--sidebar-item: #abb9e8;--topbar-bg: #ffffff;--radius: .5rem;--shadow: 0 1px 2px rgba(56, 65, 74, .15);color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--body-bg);color:var(--text);font-size:13.5px;line-height:1.5}a{color:var(--secondary);text-decoration:none}h1,h2,h3{color:var(--text);font-weight:600}h2{font-size:18px}h3{font-size:15px}code{background:rgba(var(--primary-rgb),.08);color:var(--primary);padding:1px 5px;border-radius:4px;font-size:12px;word-break:break-all}button{font:inherit;cursor:pointer;border:1px solid var(--input-border);background:#fff;color:var(--text);border-radius:.25rem;padding:.45rem .9rem;font-size:13px;font-weight:500;transition:background .15s,border-color .15s,color .15s}button:hover{background:#f3f3f9}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}button.danger{color:var(--danger);border-color:rgba(var(--danger-rgb),.4);background:#fff}button.danger:hover{background:rgba(var(--danger-rgb),.1)}button:disabled{opacity:.55;cursor:not-allowed}input,select,textarea{font:inherit;background:#fff;color:var(--text);border:1px solid var(--input-border);border-radius:.25rem;padding:.5rem .75rem;width:100%;font-size:13px}input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(var(--primary-rgb),.6);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.1)}label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:500}.layout{display:flex;min-height:100vh}.sidebar{width:250px;flex:none;background:var(--sidebar-bg);color:var(--sidebar-item);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{height:70px;flex:none;display:flex;align-items:center;gap:10px;padding:0 22px;color:#fff;font-weight:600;font-size:17px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-scroll{flex:1;overflow-y:auto;padding-bottom:12px}.sidebar-bottom{flex:none;border-top:1px solid rgba(255,255,255,.08);padding:12px 0}.menu-title{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#ffffff80;padding:16px 22px 8px;font-weight:600}.nav-item{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:transparent;border:none;border-radius:0;padding:11px 22px;color:var(--sidebar-item);font-size:13.5px;font-weight:500}.nav-item:hover{background:#ffffff0f;color:#fff}.nav-item.active{background:#ffffff1a;color:#fff;box-shadow:inset 3px 0 0 var(--secondary)}.content-wrap{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:70px;flex:none;background:var(--topbar-bg);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:5;box-shadow:var(--shadow)}.page-title{font-size:16px;font-weight:600}.user-chip{font-size:12.5px;color:var(--muted)}.page{padding:24px;flex:1;max-width:1100px;width:100%}.burger{display:none;border:none;background:transparent;font-size:20px;line-height:1;padding:6px 10px;margin-left:-4px}.burger:hover{background:var(--body-bg)}.backdrop{display:none}@media(max-width:860px){.sidebar{position:fixed;top:0;left:0;height:100vh;z-index:40;transform:translate(-100%);transition:transform .2s ease;box-shadow:0 0 30px #0000004d}.sidebar.open{transform:translate(0)}.backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:30}.burger{display:inline-flex;align-items:center}.user-chip{display:none}.page{padding:16px}.hide-mobile{display:none}}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.muted{color:var(--muted)}.card{background:var(--card-bg);border:none;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:24px}.card h3:first-child{margin-top:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:12px}tbody tr:last-child td{border-bottom:none}tr.clickable:hover{background:var(--body-bg);cursor:pointer}.badge{display:inline-block;padding:.25em .6em;border-radius:.25rem;font-size:11px;font-weight:600;background:#878a991f;color:var(--muted);border:none}.badge.NEW{background:rgba(var(--info-rgb),.15);color:var(--info)}.badge.OPEN{background:rgba(var(--warning-rgb),.18);color:#d9920b}.badge.PENDING{background:#878a9926;color:var(--muted)}.badge.RESOLVED{background:rgba(var(--success-rgb),.15);color:var(--success)}.badge.CLOSED{background:#2125291a;color:#495057}.msg{border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin-bottom:10px}.msg.OUTBOUND{background:var(--body-bg)}.msg .meta{font-size:12px;color:var(--muted);margin-bottom:6px}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--body-bg)}.auth-card{width:380px;background:#fff;border-radius:var(--radius);box-shadow:0 5px 20px #38414a1f;overflow:hidden}.auth-head{background:var(--primary);color:#fff;padding:28px 24px;text-align:center}.auth-head h1{color:#fff;margin:0 0 4px;font-size:20px}.auth-body{padding:24px;text-align:center}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.lang-switcher{width:auto;min-width:0;padding:6px 8px}