body.admin-body{background:#f2f6fb;color:#172033}.admin-shell{min-height:100vh;display:grid;grid-template-columns:282px 1fr}.admin-sidebar{background:linear-gradient(180deg,#102f55,#0d2545 72%,#0a1d36);color:white;height:100vh;position:sticky;top:0;padding:20px 16px;display:flex;flex-direction:column;overflow:auto;box-shadow:8px 0 26px rgba(15,39,71,.05)}.admin-brand{display:flex;align-items:center;gap:10px;padding:3px 8px 19px;font-weight:900;font-size:19px;color:#fff}.admin-brand .brand-symbol{width:35px;height:35px}.admin-user{display:flex;align-items:center;gap:10px;padding:12px;margin-bottom:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);border-radius:13px}.admin-user .icon-box{width:34px;height:34px;background:rgba(96,165,250,.17);color:#dbeafe}.admin-user strong{display:block;font-size:13px}.admin-user small{color:#9fb5cd;margin-top:1px}.admin-nav{display:flex;flex-direction:column;gap:3px}.admin-nav .nav-title{padding:17px 11px 6px;color:#718eac;font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.admin-nav a,.admin-nav span.disabled-nav{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:10px;color:#c6d6e6;font-size:13.5px;font-weight:670}.admin-nav a svg,.admin-nav span.disabled-nav svg{width:16px;color:#8eb4db}.admin-nav a:hover,.admin-nav a.active{background:rgba(59,130,246,.17);color:#fff}.admin-nav a:hover svg,.admin-nav a.active svg{color:#fff}.disabled-nav{opacity:.44}.admin-sidebar-spacer{flex:1}.admin-logout{border-top:1px solid rgba(255,255,255,.08);margin-top:16px;padding-top:14px}.admin-logout .btn{color:white;border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.04)}.admin-main{min-width:0}.admin-topbar{height:68px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:30}.admin-topbar-left{display:flex;align-items:center;gap:12px}.admin-topbar .crumb{font-size:12.5px;color:var(--muted)}.admin-topbar .version{font-size:11.5px;font-weight:800;background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-200);border-radius:999px;padding:6px 10px}.admin-content{padding:30px;max-width:1640px}.admin-module-hero{background:linear-gradient(125deg,#103766,#1d4ed8 62%,#2563eb);color:white;border-radius:18px;padding:23px 25px;margin-bottom:20px;display:flex;justify-content:space-between;gap:20px;align-items:center;box-shadow:0 14px 34px rgba(29,78,216,.17);position:relative;overflow:hidden}.admin-module-hero:after{content:'';position:absolute;width:170px;height:170px;border-radius:50%;right:-45px;top:-90px;background:rgba(255,255,255,.10)}.admin-module-hero>*{position:relative;z-index:1}.admin-module-hero h1{margin:0 0 5px;font-size:27px}.admin-module-hero p{margin:0;color:#d7e8ff}.admin-module-hero .btn.ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.22);color:#fff}.permission-group{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;margin-bottom:14px;box-shadow:var(--shadow-xs)}.permission-group-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;background:#f7faff;border-bottom:1px solid var(--line)}.permission-group-head h3{margin:0;font-size:14px}.permission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}.permission-item{display:flex;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line)}.permission-item:nth-child(odd){border-right:1px solid var(--line)}.permission-item input{width:auto;margin-top:3px}.permission-item strong{display:block;font-size:13px}.permission-item small{display:block;color:var(--muted);margin-top:3px}.role-card{border-left:4px solid var(--brand)}.role-card.system{border-left-color:#60a5fa}.role-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.admin-login-body{min-height:100vh;background:radial-gradient(circle at 75% 18%,rgba(96,165,250,.25),transparent 26%),linear-gradient(145deg,#0d2748,#123e70);padding:30px;color:white}.admin-login-body .auth-card{background:#fff;border-color:rgba(255,255,255,.18);color:var(--text);box-shadow:0 24px 70px rgba(4,24,50,.28)}.admin-login-body .muted{color:var(--muted)}.admin-mobile-toggle{display:none}.admin-table-user{display:flex;align-items:center;gap:9px}.admin-table-user .icon-box{width:32px;height:32px;border-radius:10px}
@media(max-width:980px){.admin-shell{display:block}.admin-sidebar{position:fixed;left:-302px;top:0;width:282px;z-index:90;transition:.22s}.admin-menu-open .admin-sidebar{left:0}.admin-menu-open:after{content:'';position:fixed;inset:0;background:rgba(8,25,47,.45);z-index:80}.admin-mobile-toggle{display:inline-flex}.admin-content{padding:22px}.permission-grid{grid-template-columns:1fr}.permission-item:nth-child(odd){border-right:0}}@media(max-width:680px){.admin-topbar{padding:0 16px}.admin-content{padding:16px}.admin-module-hero{align-items:flex-start;flex-direction:column}.permission-item{padding:12px}}

/* v3.2.0 Admin Visual Expansion */
.admin-quick-band{display:flex;gap:8px;flex-wrap:wrap;padding:0 8px 16px}.admin-feature-card{height:100%}.admin-dashboard-hero h1{font-size:32px}.admin-dashboard-hero .actions{position:relative;z-index:1}.admin-topbar{box-shadow:0 8px 24px rgba(15,39,71,.04)}.admin-content .card{border-color:#dbe5f0}.tile-action svg{color:var(--brand)}.admin-login-grid{max-width:1100px;margin:42px auto;display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}.admin-login-showcase{padding:24px;color:#fff}.admin-login-showcase h2{font-size:42px;line-height:1.05;letter-spacing:-.04em;margin:10px 0 12px}.admin-login-showcase p{color:#d7e8ff;max-width:440px}
@media(max-width:980px){.admin-login-grid{grid-template-columns:1fr;margin:22px auto}.admin-quick-band{padding:0 0 12px}.admin-topbar .topbar-actions{display:none}}

/* v3.2.1 production panel polish */
.admin-topbar-left small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}.admin-module-hero .eyebrow{color:#cfe7ff}.admin-info-list{display:flex;flex-direction:column}.admin-info-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.admin-info-list>div:last-child{border-bottom:0}.admin-info-list span{display:inline-flex;align-items:center;gap:9px;color:#475467;font-weight:650}.admin-info-list span svg{color:#0b5ed7}.admin-info-list strong{font-size:11.5px;padding:5px 8px;border-radius:999px;background:#ecfdf3;color:#067647;border:1px solid #abefc6}

/* v4.0.0 Category & Dynamic Attribute Engine */
.panel-heading{margin:0 0 4px;font-size:22px;letter-spacing:-.025em}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:280px;text-align:center;padding:34px}.empty-state h3{margin:14px 0 6px;font-size:20px}.empty-state p{max-width:580px;margin:0 0 18px;color:var(--muted)}.empty-state-icon{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand);font-size:24px}
.category-tree-list{display:flex;flex-direction:column}.category-tree-row{display:grid;grid-template-columns:minmax(280px,1fr) auto auto;gap:14px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line)}.category-tree-row:last-child{border-bottom:0}.category-tree-main{display:flex;align-items:center;gap:11px;min-width:0}.tree-indent{width:calc(var(--tree-level) * 24px);min-width:calc(var(--tree-level) * 24px);height:1px}.category-admin-icon{width:38px;height:38px;min-width:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand)}.category-tree-main strong{display:block}.category-tree-main small{display:block;color:var(--muted);margin-top:2px}.category-tree-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;justify-content:flex-end}.tree-actions{justify-content:flex-end}.color-input-row{display:flex;align-items:center;gap:12px}.color-input-row input[type=color]{width:52px;height:42px;padding:4px}.danger-zone{display:flex;align-items:center;justify-content:space-between;gap:20px;border-color:#f7cbc7;background:#fffafa}.danger-zone h3{display:flex;align-items:center;gap:9px;color:var(--danger);margin:0 0 5px}.danger-zone p{margin:0;color:var(--muted)}
.category-attribute-layout{grid-template-columns:minmax(0,1.55fr) minmax(340px,.75fr)}.attribute-matrix-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden}.attribute-matrix-row{display:grid;grid-template-columns:minmax(190px,.8fr) minmax(520px,1.6fr);gap:15px;padding:13px 14px;border-bottom:1px solid var(--line);background:#fff}.attribute-matrix-row:last-child{border-bottom:0}.attribute-matrix-row:hover{background:#fbfdff}.attribute-select-main .check{margin:0}.attribute-select-main strong{display:block}.attribute-select-main small{display:block;color:var(--muted);margin-top:2px}.attribute-flags{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.attribute-flags label{display:inline-flex;align-items:center;gap:5px;margin:0;padding:6px 8px;border:1px solid var(--line);border-radius:9px;background:#f8fafc;font-size:11px;font-weight:750}.attribute-flags label input{width:auto}.sort-mini{width:62px;padding:7px 8px}.effective-attribute-list{display:flex;flex-direction:column}.effective-attribute-list>div{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}.effective-attribute-list>div:last-child{border-bottom:0}.effective-attribute-list strong,.effective-attribute-list small{display:block}.effective-attribute-list small{color:var(--muted);margin-top:2px}.sm-icon{width:32px!important;height:32px!important;border-radius:10px!important}.empty-inline{padding:16px;border-radius:12px;background:#f8fafc;color:var(--muted);border:1px dashed var(--line-strong)}.compact-dl{grid-template-columns:90px 1fr;margin:0}.info-card{background:linear-gradient(180deg,#fff,#f8fbff)}
.option-list{display:flex;flex-direction:column;gap:8px}.option-row{display:grid;grid-template-columns:1.2fr 1fr 90px 100px auto;gap:8px;align-items:center}.option-delete{display:inline-flex;margin-left:6px}.option-list{position:relative}.option-list .option-row{margin-right:48px}.option-list .option-delete{position:relative;float:right;margin-top:-49px;margin-bottom:7px}.option-add-row{display:grid;grid-template-columns:1.2fr 1fr 90px 100px auto;gap:8px;align-items:center;padding-top:14px;border-top:1px solid var(--line)}
@media(max-width:1200px){.category-tree-row{grid-template-columns:1fr auto}.category-tree-meta{grid-column:1/-1;justify-content:flex-start;padding-left:calc(var(--tree-level) * 24px + 49px)}.category-attribute-layout{grid-template-columns:1fr}.attribute-matrix-row{grid-template-columns:1fr}.option-row,.option-add-row{grid-template-columns:1fr 1fr}.option-list .option-row{margin-right:0}.option-list .option-delete{float:none;margin:0 0 8px}}
@media(max-width:720px){.category-tree-row{grid-template-columns:1fr}.tree-actions{justify-content:flex-start;padding-left:calc(var(--tree-level) * 24px + 49px)}.category-tree-meta{padding-left:calc(var(--tree-level) * 18px + 49px)}.tree-indent{width:calc(var(--tree-level) * 18px);min-width:calc(var(--tree-level) * 18px)}.attribute-flags{align-items:stretch}.attribute-flags label{flex:1 1 78px}.option-row,.option-add-row{grid-template-columns:1fr}.danger-zone{align-items:flex-start;flex-direction:column}}

/* v4.5.0 Category Profile Administration */
.profile-overview-cards .card{min-height:126px}.profile-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.profile-admin-card{display:flex;flex-direction:column;gap:14px}.profile-admin-head{display:flex;align-items:flex-start;gap:13px}.profile-admin-icon{width:48px;height:48px;min-width:48px;border-radius:14px;background:#eaf4ff;color:#0b5ed7;display:grid;place-items:center;font-size:19px}.profile-admin-head h2{font-size:19px;margin:5px 0 0;color:#173b5f}.profile-admin-card>p{margin:0;color:#6d7f92;line-height:1.6}.profile-admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.profile-admin-stats>div{padding:10px;border:1px solid #e2eaf2;border-radius:11px;background:#f9fbfd}.profile-admin-stats span,.profile-admin-stats strong{display:block}.profile-admin-stats span{font-size:10px;color:#788a9c}.profile-admin-stats strong{font-size:18px;color:#12395f;margin-top:2px}.profile-view-paths{display:flex;flex-direction:column;gap:7px;margin-top:auto}.profile-view-paths>div{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;background:#f2f7fc;color:#62778d;font-size:11px}.profile-view-paths svg{color:#0b5ed7}
@media(max-width:980px){.profile-admin-grid{grid-template-columns:1fr}}@media(max-width:680px){.profile-admin-stats{grid-template-columns:1fr}}

/* v4.6.0 Vehicle catalog */
.catalog-brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.catalog-brand-card{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.catalog-brand-card>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 14px;cursor:pointer;background:#fbfdff}.catalog-brand-card>summary>span:first-child{display:flex;align-items:center;gap:9px}.catalog-brand-card>summary svg{color:var(--brand)}.catalog-series-list{display:flex;flex-wrap:wrap;gap:7px;padding:12px 14px;border-top:1px solid var(--line)}.catalog-series-list>span{font-size:11.5px;padding:6px 8px;background:var(--brand-50);border:1px solid var(--brand-100);border-radius:8px;color:#244f84}.catalog-series-list em{font-size:12px;color:var(--muted)}@media(max-width:1100px){.catalog-brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.catalog-brand-grid{grid-template-columns:1fr}}
.category-admin-search{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding:0 13px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fbfdff;color:#7d92aa}.category-admin-search input{border:0!important;background:transparent!important;padding:0!important;box-shadow:none!important}