:root{--bg:#eef1f7;--side:#ffffff;--surface:#ffffff;--line:#e4e8f0;--text:#1f2733;--muted:#6b7280;--primary:#8b5cf6;--green:#16a34a;--red:#dc2626;--amber:#d97706}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f7f9fc,var(--bg));color:var(--text);font:14px/1.5 system-ui,"Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}aside{position:sticky;top:0;height:100vh;padding:28px 20px;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:800}.brand>span,.login-logo{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--primary),#4f46e5);box-shadow:0 12px 30px #7c3aed55}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1px}nav{display:grid;gap:8px;margin-top:42px}nav a,.top-link{padding:13px 15px;color:var(--muted);text-decoration:none;border-radius:12px;border:1px solid transparent}nav a:hover,nav a.active,.top-link:hover,.top-link.active{color:#6d28d9;background:#8b5cf614;border-color:#8b5cf659}.nav-group{margin-top:4px}.nav-group__title{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:42px;padding:11px 15px;background:transparent;border:0;border-radius:10px;color:var(--muted);font:600 13px/1.2 system-ui,"Microsoft YaHei",sans-serif;letter-spacing:.04em;cursor:pointer}.nav-group__title:hover{color:var(--text);background:#8b5cf60f}.nav-group__arrow{width:11px;height:11px;transition:transform .2s}.nav-group.open .nav-group__arrow{transform:rotate(180deg)}.nav-group__items{display:none;flex-direction:column;gap:6px;margin-top:6px;padding-left:6px}.nav-group.open .nav-group__items{display:flex}.nav-group__items a{padding:12px 15px 12px 30px}aside form{margin-top:auto}.logout{margin-top:0;width:100%;padding:12px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer}main{min-width:0;padding:30px 38px 60px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}h1,h2,h3,p{margin-top:0}header h1{margin-bottom:3px;font-size:27px}header p,.panel-head p{color:var(--muted);margin-bottom:0}.admin{padding:10px 15px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.flash,.notice{margin-bottom:18px;padding:14px 18px;border:1px solid #32d58355;border-radius:13px;background:#32d58316;color:#a7f3d0;word-break:break-all}.flash.error{border-color:#ff647c55;background:#ff647c16;color:#fecdd3}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.stats article,.panel{border:1px solid var(--line);background:var(--surface);box-shadow:0 16px 50px #0003}.stats article{padding:22px;border-radius:18px}.stats span{color:var(--muted)}.stats b{display:block;margin-top:12px;font-size:32px}.panel{margin-bottom:20px;padding:24px;border-radius:20px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.panel-head h2{margin-bottom:3px;font-size:18px}.primary{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border:0;border-radius:11px;background:linear-gradient(135deg,#9b6cff,#7451dc);color:#fff;text-decoration:none;cursor:pointer}.wide{width:100%}.project-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.project-grid article,.theme-card{padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.project-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:14px;border-radius:13px;background:#8b5cf625;color:#bda7ff;font-weight:800}.project-grid h3{margin-bottom:4px}.project-grid p{color:var(--muted)}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.actions a,.link{padding:0;color:#bda7ff;text-decoration:none;background:none;border:0;cursor:pointer}.danger{color:#ff8093!important}.inline-form,.theme-form,.version-form,.filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap}label{display:grid;gap:7px;color:#c5ccda}input,select,textarea{width:100%;padding:11px 12px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.inline-form label{min-width:220px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}th{color:var(--muted);font-size:12px}td small{display:block;color:var(--muted)}code{color:#bda7ff}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px}.badge.ok{color:#9ff1c9;background:#32d58320}.badge.warn{color:#fedf89;background:#fdb02220}.badge.bad{color:#fecdd3;background:#ff647c20}.badge.muted{color:#b2bbca;background:#64748b20}.pagination{display:flex;gap:7px;list-style:none;padding:18px 0 0}.page-link{display:block;padding:7px 11px;color:var(--text);text-decoration:none;border:1px solid var(--line);border-radius:8px}.active>.page-link{background:var(--primary)}.disabled>.page-link{opacity:.35}.theme-form label{min-width:160px}.color{display:grid;grid-template-columns:44px 1fr;gap:7px}.color input[type=color]{height:42px;padding:3px}.theme-card{display:grid;grid-template-columns:1fr auto;gap:14px}.theme-preview{padding:16px;border-radius:var(--r);background:var(--bg);color:var(--t);display:grid;gap:8px}.theme-preview span{opacity:.65}.theme-preview i{padding:8px 10px;background:var(--p);border-radius:8px;font-style:normal;text-align:center}.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:15px}.switch{display:flex;align-items:center;gap:9px}.switch input{display:none}.switch span{width:44px;height:24px;padding:3px;background:#3b4557;border-radius:99px}.switch span:before{content:"";display:block;width:18px;height:18px;background:#fff;border-radius:50%;transition:.2s}.switch input:checked+span{background:var(--primary)}.switch input:checked+span:before{transform:translateX(20px)}.avatar{width:52px;height:52px;object-fit:cover;border-radius:50%}.review-actions{display:flex;align-items:center;gap:8px}.review-actions input{width:140px}.version-form label{min-width:150px}.version-form .wide-field{flex:1 1 100%}.check{display:flex;grid-auto-flow:column;align-items:center;justify-content:start}.check input{width:auto}.notes{max-width:240px;white-space:pre-wrap}.empty{padding:36px!important;color:var(--muted);text-align:center!important}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);padding:38px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 90px #0008}.login-card .login-logo{margin-bottom:22px}.login-card h1{margin-bottom:5px}.login-card>p{margin-bottom:28px;color:var(--muted)}.login-card label{margin-bottom:16px}.field-error{margin-bottom:12px;color:#ff8093}@media(max-width:900px){.shell{grid-template-columns:1fr}aside{position:static;height:auto;display:block}.brand{margin-bottom:18px}nav{display:flex;overflow:auto;margin:0}.logout{margin-top:14px}main{padding:22px 16px}.stats{grid-template-columns:1fr 1fr}.project-grid,.cards,.config-grid{grid-template-columns:1fr}}@media(max-width:520px){.stats{grid-template-columns:1fr}.panel{padding:17px}.project-grid{grid-template-columns:1fr}}

/* stable collapsible sidebar */
nav{margin-top:32px;overflow-y:auto;padding:2px 3px 10px}
nav a,.top-link{min-height:46px;display:flex;align-items:center;padding-top:12px;padding-bottom:12px}
.nav-group__title{min-height:44px;padding:11px 15px;border:1px solid transparent;font-size:13px;line-height:20px}
.nav-group__title:hover{border-color:#8b5cf626}
.nav-group__items a{min-height:42px}
.nav-group__arrow{width:12px;height:8px;object-fit:contain;transition:transform .2s}
.nav-group.open .nav-group__arrow{transform:rotate(180deg)}