:root{--brand:#ff6819;--ink:#192235;--muted:#697386;--line:#e4e9f0;--soft:#f4f6f9;--side:#111827}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--soft)}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.admin-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.admin-sidebar{background:var(--side);color:#cfd6e2;padding:24px 18px;position:sticky;top:0;height:100vh}.admin-brand{display:flex;align-items:center;gap:12px;color:#fff;padding:0 10px 24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:20px}.admin-brand span{width:40px;height:40px;border-radius:12px;background:var(--brand);display:grid;place-items:center;font-weight:900}.admin-brand strong{display:block}.admin-brand small{display:block;color:#8f9aad;font-size:11px}.admin-menu{display:grid;gap:6px}.admin-menu a{padding:11px 13px;border-radius:10px;font-size:14px}.admin-menu a:hover,.admin-menu a.active{background:rgba(255,255,255,.1);color:#fff}.admin-menu .separator{font-size:11px;color:#717d91;padding:16px 12px 4px;text-transform:uppercase;letter-spacing:.12em}.admin-main{min-width:0}.admin-topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:20}.admin-topbar h1{font-size:22px;margin:0}.admin-topbar a{color:var(--brand);font-size:14px}.admin-content{padding:30px;max-width:1500px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.metric strong{font-size:34px;display:block;color:var(--brand)}.metric span{color:var(--muted)}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin-top:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.panel h2{margin:0;font-size:19px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:9px;border:1px solid var(--brand);background:var(--brand);color:#fff;font-weight:700;cursor:pointer}.btn:hover{background:#e9570b}.btn-outline{background:#fff;color:var(--ink);border-color:#ccd4df}.btn-danger{background:#b42318;border-color:#b42318}.btn-sm{min-height:34px;padding:0 11px;font-size:13px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:760px}.table th,.table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:middle}.table th{font-size:12px;color:var(--muted);background:#fafbfc}.thumb{width:80px;height:52px;object-fit:cover;border-radius:8px;background:#edf0f4}.actions{display:flex;gap:7px}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:#edf7f0;color:#287544;font-size:12px}.badge.off{background:#f2f4f7;color:#667085}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field textarea,.field select{width:100%;border:1px solid #cfd6df;border-radius:9px;padding:11px 12px;background:#fff}.field textarea{min-height:120px;resize:vertical}.field textarea.editor{min-height:360px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.help{font-size:12px;color:var(--muted)}.preview{max-width:320px;max-height:180px;border-radius:12px;border:1px solid var(--line);padding:4px}.notice{padding:12px 15px;border-radius:9px;margin-bottom:18px}.notice.success{background:#e8f7ee;color:#17683a}.notice.error{background:#fff0f0;color:#9c2424}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#111827,#283349)}.login-card{width:min(420px,calc(100% - 32px));background:#fff;border-radius:22px;padding:36px;box-shadow:0 30px 70px rgba(0,0,0,.25)}.login-card h1{margin:0 0 8px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card .field{margin-bottom:15px}.login-card .btn{width:100%;min-height:46px}.login-logo{width:56px;height:56px;border-radius:16px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:20px}.empty{padding:40px;text-align:center;color:var(--muted)}.mobile-menu{display:none}
@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto}.admin-menu{grid-template-columns:repeat(2,1fr)}.admin-menu .separator{grid-column:1/-1}.admin-topbar{position:static}.metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.admin-content{padding:18px}.admin-topbar{padding:0 18px}.metrics,.form-grid{grid-template-columns:1fr}.admin-menu{grid-template-columns:1fr}.panel{padding:18px}.panel-head{align-items:flex-start;flex-direction:column}}