:root{--navy:#17223b;--navy-2:#22304e;--blue:#3568e5;--blue-soft:#edf3ff;--bg:#f4f6fa;--surface:#fff;--line:#e4e8f0;--text:#182033;--muted:#6e7789;--danger:#d64045;--warning:#c77b0a;--success:#24845b;--shadow:0 12px 34px rgba(26,39,68,.08)}
*{box-sizing:border-box}body{margin:0;min-width:1180px;min-height:100vh;color:var(--text);background:var(--bg);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:40px;background:linear-gradient(135deg,#15223d,#263b67 62%,#1f3155)}.login-panel{width:460px;padding:40px;border-radius:18px;background:#fff;box-shadow:0 28px 70px rgba(5,15,36,.35)}.login-brand,.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;color:#fff;background:var(--blue);font-size:20px;font-weight:800}.login-brand h1{margin:0;font-size:24px}.login-brand p,.login-help{margin:4px 0 0;color:var(--muted)}.login-note{margin:26px 0 20px;padding:13px 15px;border-left:3px solid var(--blue);background:var(--blue-soft);color:#415270}.login-panel label,.modal-card label,.settings-form label{display:grid;gap:7px;margin-top:16px;font-weight:650}.login-panel input,.modal-card input,.modal-card select,.modal-card textarea,.toolbar input,.toolbar select,.settings-form select{width:100%;height:42px;padding:0 13px;border:1px solid #cfd6e3;border-radius:8px;outline:none;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(53,104,229,.12)}.primary-button,.primary{border:0;border-radius:8px;color:#fff;background:var(--blue);font-weight:700}.primary-button{width:100%;height:46px;margin-top:24px}.login-help{text-align:center;font-size:12px}
.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;background:var(--navy);color:#fff}.brand{padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.1)}.brand strong,.brand small{display:block}.brand small{margin-top:3px;color:#8fa0c2;font-size:10px;letter-spacing:.12em}.sidebar nav{display:grid;gap:4px;margin-top:20px}.sidebar nav button{height:42px;padding:0 16px;border:0;border-radius:8px;color:#aebbd4;background:transparent;text-align:left;font-weight:650}.sidebar nav button:hover{color:#fff;background:rgba(255,255,255,.07)}.sidebar nav button.active{color:#fff;background:var(--blue)}.main{min-width:0}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--line);background:#fff}.topbar h2{margin:3px 0 0;font-size:24px}.breadcrumb{margin:0;color:var(--muted);font-size:12px}.admin-tools{display:flex;align-items:center;gap:14px}.admin-profile{padding-left:14px;border-left:1px solid var(--line)}.admin-profile strong,.admin-profile small{display:block}.admin-profile small{color:var(--muted)}.icon-button,.text-button{height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}.icon-button{padding:0 12px}.icon-button span{display:inline-grid;min-width:20px;height:20px;margin-left:5px;place-items:center;border-radius:10px;color:#fff;background:var(--danger);font-size:11px}.text-button{border:0}.text-button.danger{color:var(--danger)}.content{padding:26px 30px 50px}
.loading-card,.error-state,.empty-state{padding:52px;text-align:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted)}.error-state strong,.empty-state strong{color:var(--text);font-size:17px}.error-state button{padding:8px 14px;border:0;border-radius:7px;color:#fff;background:var(--blue)}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:16px}.metric-card{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}.metric-card span{color:var(--muted)}.metric-card strong{display:block;margin-top:8px;font-size:30px}.dashboard-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;margin-top:18px}.panel{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}.panel.wide{grid-column:1/-1}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.panel-title h3{margin:0}.panel-title p{margin:4px 0 0;color:var(--muted)}.panel-title button{border:0;color:var(--blue);background:transparent}.compact-row{display:grid;grid-template-columns:90px minmax(0,1fr) auto;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line)}.compact-row:first-of-type{border-top:0}.compact-row span,.compact-row small{color:var(--muted)}.bars{height:220px;display:flex;align-items:flex-end;justify-content:space-around;gap:12px}.bar-item{width:44px;text-align:center}.bar-track{height:155px;display:flex;align-items:flex-end;border-radius:8px;background:#edf1f7;overflow:hidden}.bar-track i{width:100%;min-height:5px;background:linear-gradient(180deg,#5b82ea,#3568e5)}.bar-item small,.bar-item b{display:block;margin-top:4px;font-size:11px}.bar-item b{color:var(--blue)}
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}.toolbar input{width:260px}.toolbar select{width:150px}.small{height:38px;padding:0 16px}.secondary,.success,.danger,.warning,.actions button,.pagination button{min-height:34px;padding:0 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--text);font-weight:650}.secondary:hover,.actions button:hover{border-color:#9eacc3}.success{color:var(--success);border-color:#b7decf;background:#f0faf6}.danger{color:var(--danger);border-color:#f0c3c5;background:#fff5f5}.warning{color:var(--warning);border-color:#ead4ad;background:#fff9ee}.batch-bar{display:flex;gap:8px;margin:0 0 12px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}table{width:100%;border-collapse:collapse}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{position:sticky;top:0;color:#58647a;background:#f8f9fb;font-size:12px;white-space:nowrap}tr:last-child td{border-bottom:0}td strong,td small{display:block}td small{max-width:320px;margin-top:4px;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thumb{width:46px;height:46px;border-radius:8px;object-fit:cover}.thumb.placeholder{display:grid;place-items:center;background:#eef1f6;color:#8d96a8;font-size:11px}.actions{white-space:nowrap}.actions button{margin:2px}.status{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:12px;background:#eef1f6;color:#58647a;font-size:12px}.status-approved,.status-normal,.status-active,.status-success{color:var(--success);background:#eaf7f1}.status-pending,.status-processing,.status-muted{color:var(--warning);background:#fff5df}.status-rejected,.status-banned,.status-deleted,.status-disabled{color:var(--danger);background:#fff0f1}.status-offline,.status-frozen,.status-off_shelf{color:#58647a;background:#e9edf3}.pagination{display:flex;align-items:center;justify-content:space-between;margin-top:14px;color:var(--muted)}.pagination button{margin-left:8px}.pagination button:disabled{opacity:.45;cursor:not-allowed}.user-cell{display:flex;align-items:center;gap:10px}.user-cell img,.user-cell>span{width:38px;height:38px;border-radius:50%;object-fit:cover}.user-cell>span{display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-weight:800}
.settings-form{max-width:680px}.settings-form>label{padding:14px 0;border-top:1px solid var(--line)}.settings-form .primary{width:160px;height:42px;margin-top:20px}.switch-row{display:flex!important;align-items:center;justify-content:space-between}.switch-row input{width:18px;height:18px}.settings-stack{display:grid;gap:18px;max-width:980px}.cloud-settings label{display:grid;gap:7px;font-weight:650}.cloud-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}.cloud-settings input:not([type="checkbox"]){width:100%;height:42px;padding:0 13px;border:1px solid #cfd6e3;border-radius:8px;outline:none;background:#fff;color:var(--text)}.cloud-switch{gap:10px;margin:0}.cloud-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:18px}.cloud-actions input{max-width:220px}.cloud-actions button{min-height:40px;padding:0 16px}.security-note{margin:16px 0 0;padding:12px 14px;border-radius:8px;color:var(--muted);background:var(--blue-soft)}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:40px;background:rgba(9,16,30,.58)}.modal-card{width:min(760px,90vw);max-height:88vh;overflow:auto;padding:24px;border-radius:14px;background:#fff;box-shadow:0 30px 80px rgba(0,0,0,.3)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}.modal-head h3{margin:0}.modal-head button{width:34px;height:34px;border:0;border-radius:8px;background:#f0f2f6;font-size:22px}.modal-card textarea{height:120px;padding:12px;resize:vertical}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.modal-actions button{height:40px;padding:0 18px;border-radius:8px}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.detail-grid>div{padding:12px;border-radius:8px;background:#f7f8fb}.detail-grid span,.detail-grid strong{display:block}.detail-grid span{color:var(--muted);font-size:12px}.detail-copy{padding:14px;border-radius:8px;background:#f7f8fb;white-space:pre-wrap}.image-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.image-grid img{width:100%;aspect-ratio:1;border-radius:8px;object-fit:cover}.preview-image{display:block;max-width:100%;max-height:72vh;margin:auto}.history-row{display:grid;grid-template-columns:160px 100px 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--line)}.history-row p{margin:0;color:var(--muted)}.toast{position:fixed;z-index:80;right:26px;top:24px;max-width:420px;padding:12px 18px;border-radius:8px;color:#fff;background:#28344e;box-shadow:var(--shadow)}.toast.error{background:var(--danger)}.toast.success{background:var(--success)}
.activity-category-settings textarea{width:100%;min-height:190px;padding:13px;border:1px solid #cfd6e3;border-radius:8px;color:var(--text);background:var(--surface);font:inherit;line-height:1.65;resize:vertical}.category-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px}.category-actions span{color:var(--muted);font-size:12px}.category-actions button{min-height:42px;padding:0 18px}.activity-admin-tools{margin-bottom:16px}
.ad-create-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}.ad-create-grid label{display:grid;gap:7px;font-weight:650}.ad-create-grid input,.ad-create-grid select{width:100%;height:42px;padding:0 13px;border:1px solid #cfd6e3;border-radius:8px;background:#fff;color:var(--text)}.ad-create-grid input[type="file"]{padding:8px}.ad-create-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px}.ad-create-actions span{color:var(--muted);font-size:12px}.ad-create-actions button{min-height:42px;padding:0 20px}.ad-admin-list{display:grid;gap:12px}.ad-admin-card{display:grid;grid-template-columns:210px minmax(0,1fr) auto;gap:16px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:10px}.ad-admin-card>img{width:210px;aspect-ratio:2.35;border-radius:8px;object-fit:cover;cursor:zoom-in}.ad-admin-copy>div{display:flex;align-items:center;gap:10px}.ad-admin-copy p{margin:6px 0;color:var(--muted)}.ad-admin-copy small{display:block;margin-top:3px;color:var(--muted)}.ad-admin-actions{display:flex;gap:8px}
@media(max-width:1280px){.metric-grid{grid-template-columns:repeat(3,1fr)}.dashboard-grid{grid-template-columns:1fr}.panel.wide{grid-column:auto}}

/* Unified three-theme system: restrained palettes with one readable body font and one display face. */
:root { --font-body:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif; --font-display:"PingFang SC",sans-serif; }
body,button,input,select,textarea { font-family:var(--font-body); }
h1,h2,h3,.brand strong,.metric-card strong { font-family:var(--font-display); }
.theme-chip { display:inline-flex;align-items:center;min-height:20px;margin-left:8px;padding:0 8px;border:1px solid var(--line);border-radius:999px;color:var(--blue);background:var(--blue-soft);font-size:11px;font-weight:700; }
html[data-theme] body { background:var(--bg); }
html[data-theme] .login-screen { background:linear-gradient(135deg,var(--navy),var(--navy-2)); }
html[data-theme] .login-panel,html[data-theme] .topbar,html[data-theme] .toolbar,html[data-theme] .table-wrap,html[data-theme] .panel,html[data-theme] .metric-card,html[data-theme] .loading-card,html[data-theme] .error-state,html[data-theme] .empty-state,html[data-theme] .modal-card { background:var(--surface); }
html[data-theme] .sidebar { background:var(--navy); }
html[data-theme] .bar-track { background:var(--blue-soft); }
html[data-theme] .bar-track i { background:linear-gradient(180deg,var(--blue),var(--navy-2)); }
html[data-theme] .login-note,html[data-theme] .user-cell>span { color:var(--text);background:var(--blue-soft); }
html[data-theme="night"] .sidebar nav button { color:#C9C5E4; }
html[data-theme="night"] .sidebar nav button:hover { color:#fff;background:rgba(255,255,255,.08); }
html[data-theme="night"] .login-panel input,html[data-theme="night"] .modal-card input,html[data-theme="night"] .modal-card select,html[data-theme="night"] .modal-card textarea,html[data-theme="night"] .toolbar input,html[data-theme="night"] .toolbar select,html[data-theme="night"] .settings-form select,html[data-theme="night"] .cloud-settings input:not([type="checkbox"]),html[data-theme="night"] .icon-button,html[data-theme="night"] .secondary,html[data-theme="night"] .actions button,html[data-theme="night"] .pagination button { color:var(--text);border-color:var(--line);background:#2C2F60; }
html[data-theme="night"] th,html[data-theme="night"] .detail-grid>div,html[data-theme="night"] .detail-copy { color:var(--text);background:#292D5C; }
html[data-theme="night"] .status { color:var(--muted);background:#34386B; }
html[data-theme="night"] .success { color:#8FE0B6;background:#1D4A43;border-color:#347B6A; }
html[data-theme="night"] .danger { color:#FFB4BA;background:#5A2737;border-color:#864255; }
html[data-theme="night"] .warning { color:#FFD28A;background:#5B4424;border-color:#846438; }

@media(max-width:900px){
  body{min-width:0;font-size:13px}
  .login-screen{padding:20px}.login-panel{width:min(460px,100%);padding:26px 20px}
  .app-shell{display:block}.sidebar{position:relative;height:auto;padding:14px 12px}.brand{padding:0 4px 12px}.sidebar nav{display:flex;gap:7px;overflow-x:auto;margin-top:12px;padding-bottom:2px}.sidebar nav button{height:36px;padding:0 12px;white-space:nowrap;flex:none}
  .topbar{height:auto;min-height:76px;align-items:flex-start;gap:12px;padding:14px 16px}.topbar h2{font-size:20px}.admin-tools{justify-content:flex-end;flex-wrap:wrap;gap:6px}.admin-profile{display:none}.content{padding:16px 12px 34px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric-card{padding:15px}.metric-card strong{font-size:25px}.dashboard-grid{gap:12px;margin-top:12px}.panel{padding:15px}.toolbar{align-items:stretch;flex-wrap:wrap;padding:10px}.toolbar input,.toolbar select{width:calc(50% - 5px);min-width:0}.toolbar .small{flex:1}.cloud-form-grid,.ad-create-grid{grid-template-columns:1fr}.cloud-actions{align-items:stretch;flex-direction:column}.cloud-actions input,.cloud-actions button{width:100%;max-width:none}.compact-row{grid-template-columns:60px minmax(150px,1fr) auto;gap:8px}.table-wrap{border-radius:8px}.modal-backdrop{padding:12px}.modal-card{width:100%;max-height:92vh;padding:18px}.detail-grid{grid-template-columns:1fr}.image-grid{grid-template-columns:repeat(2,1fr)}.history-row{grid-template-columns:1fr;gap:4px}.toast{top:12px;right:12px;left:12px;max-width:none}.theme-chip{display:none}.ad-create-actions{align-items:stretch;flex-direction:column}.ad-create-actions button{width:100%}.ad-admin-card{grid-template-columns:120px minmax(0,1fr)}.ad-admin-card>img{width:120px}.ad-admin-actions{grid-column:1/-1;justify-content:flex-end}
}

@media(max-width:560px){.category-actions{align-items:stretch;flex-direction:column}.category-actions button{width:100%}.activity-admin-tools .panel-title{align-items:flex-start;flex-direction:column;gap:12px}.activity-admin-tools .panel-title button{min-height:38px;padding:0 12px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}}