:root{
  --bg:#f4f6f9;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#101828;
  --muted:#667085;
  --line:#e4e7ec;
  --brand:#111827;
  --brand-2:#344054;
  --accent:#2563eb;
  --accent-soft:#eff6ff;
  --success:#067647;
  --success-bg:#ecfdf3;
  --danger:#b42318;
  --danger-bg:#fef3f2;
  --shadow:0 18px 45px rgba(16,24,40,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;font-family:Arial,"Segoe UI",Tahoma,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
input,select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--text);outline:none;transition:.18s}
input:focus,select:focus{border-color:#98a2b3;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:700;color:#344054}
.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#000}
.btn-large{min-height:48px;width:100%}
.muted{color:var(--muted)}
.alert{border-radius:12px;padding:13px 14px;margin:14px 0;font-size:14px;line-height:1.7}
.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #fecdca}
.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #abefc6}
.page-kicker{font-size:11px;letter-spacing:.12em;font-weight:900;color:#667085;text-transform:uppercase;margin-bottom:8px}
.brand-lockup{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 10px 25px rgba(17,24,39,.18)}
.brand-lockup strong,.brand-lockup span{display:block}.brand-lockup strong{font-size:18px}.brand-lockup span{font-size:11px;color:#98a2b3;margin-top:2px;letter-spacing:.03em}
.brand-lockup.light strong{color:#fff}.brand-lockup.light span{color:#98a2b3}.brand-lockup.light .brand-mark{background:#fff;color:#111827}

/* Installer */
.installer-page{padding:38px 18px;background:linear-gradient(180deg,#eef2f7 0,#f8fafc 55%,#fff 100%)}
.installer-shell{width:min(920px,100%);margin:0 auto}
.installer-shell>.brand-lockup{margin-bottom:22px;justify-content:center}
.installer-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:32px}
.installer-card h1{margin:0;font-size:30px;line-height:1.25}.installer-card .lead{color:var(--muted);line-height:1.8;margin:12px 0 26px}
.form-section{padding:22px 0;border-top:1px solid var(--line)}.form-section:first-of-type{border-top:0;padding-top:4px}
.form-section h2{font-size:16px;margin:0 0 14px}.form-grid{display:grid;gap:14px}.form-grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.span-2{grid-column:span 2}
.installer-note{text-align:center;color:#667085;font-size:12px;margin:16px 0 0}

/* Auth */
.auth-page{min-height:100vh;background:#101828}
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-panel{padding:48px}
.auth-brand-panel{background:radial-gradient(circle at 20% 20%,#344054 0,#1d2939 38%,#101828 75%);display:flex;flex-direction:column;justify-content:space-between;color:#fff;min-height:100vh}
.auth-copy{max-width:620px;margin:auto 0}.auth-copy .page-kicker{color:#98a2b3}.auth-copy h1{font-size:48px;line-height:1.1;margin:0 0 18px}.auth-copy p{font-size:17px;line-height:1.9;color:#d0d5dd;max-width:580px}
.auth-form-panel{background:#f8fafc;display:grid;place-items:center}
.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}
.login-card h2{font-size:28px;margin:0 0 8px}.login-card form{display:grid;gap:16px;margin-top:20px}.version-line{text-align:center;color:#98a2b3;font-size:11px;margin-top:18px}

/* Application */
.app-page{background:#f4f6f9}
.app-layout{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr);direction:ltr}
.sidebar{direction:rtl;background:#101828;color:#d0d5dd;padding:22px 16px;display:flex;flex-direction:column;min-height:100vh;position:sticky;top:0;height:100vh}
.sidebar-brand{padding:4px 8px 22px}.side-nav{display:flex;flex-direction:column;gap:5px}.side-nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;font-size:13px;color:#d0d5dd}.side-nav a span{width:22px;text-align:center;color:#98a2b3}.side-nav a.active{background:#1d2939;color:#fff}.side-nav a.disabled{opacity:.58;cursor:not-allowed}.nav-section{font-size:9px;letter-spacing:.14em;color:#667085;padding:18px 12px 7px}.sidebar-footer{margin-top:auto;border-top:1px solid #344054;padding-top:14px}.sidebar-logout{width:100%;border:1px solid #344054;background:transparent;color:#d0d5dd;border-radius:10px;padding:10px 12px;cursor:pointer}
.main-content{direction:rtl;padding:28px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.topbar h1{font-size:28px;margin:0}.user-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 10px}.user-avatar{width:38px;height:38px;border-radius:12px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:900}.user-chip strong,.user-chip span{display:block}.user-chip strong{font-size:13px}.user-chip span{font-size:10px;color:#667085;margin-top:2px}
.hero-card{background:#111827;color:#fff;border-radius:22px;padding:26px;display:flex;justify-content:space-between;align-items:center;gap:28px;box-shadow:0 18px 40px rgba(16,24,40,.12)}.hero-card h2{font-size:28px;margin:12px 0 8px}.hero-card p{color:#d0d5dd;line-height:1.8;margin:0;max-width:650px}.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid #344054;background:#1d2939;color:#d0d5dd;border-radius:999px;padding:6px 10px;font-size:11px}.status-pill span{width:7px;height:7px;border-radius:50%;background:#12b76a;box-shadow:0 0 0 4px rgba(18,183,106,.14)}.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;min-width:370px}.hero-meta div{background:#1d2939;border:1px solid #344054;border-radius:14px;padding:13px}.hero-meta span,.hero-meta strong{display:block}.hero-meta span{font-size:10px;color:#98a2b3}.hero-meta strong{font-size:13px;margin-top:6px;word-break:break-word}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.metric-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.metric-card span,.metric-card strong,.metric-card small{display:block}.metric-card span{font-size:12px;color:#667085}.metric-card strong{font-size:31px;margin:10px 0 5px}.metric-card small{font-size:10px;color:#98a2b3}
.content-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:16px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.section-heading h2{font-size:20px;margin:0}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;background:var(--success-bg);color:var(--success);font-size:10px;font-weight:800;border:1px solid #abefc6}
.module-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.module-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fcfcfd;display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center}.module-icon{width:36px;height:36px;border-radius:10px;background:#f2f4f7;color:#344054;display:grid;place-items:center;font-size:18px;font-weight:400}.module-card strong,.module-card span,.module-card small{display:block}.module-card strong{font-size:12px}.module-card span{font-size:9px;color:#98a2b3;margin-top:4px}.module-card small{grid-column:1/-1;color:#667085;font-size:9px;border-top:1px solid #f2f4f7;padding-top:8px}
.compact-card{padding-bottom:16px}.system-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.system-grid div{background:#f8fafc;border-radius:12px;padding:12px;border:1px solid #f2f4f7}.system-grid span,.system-grid strong{display:block}.system-grid span{font-size:9px;color:#98a2b3}.system-grid strong{font-size:12px;margin-top:5px;word-break:break-all}

@media(max-width:1000px){.auth-shell{grid-template-columns:1fr}.auth-brand-panel{min-height:340px}.auth-copy h1{font-size:36px}.auth-form-panel{min-height:560px}.app-layout{grid-template-columns:88px 1fr}.sidebar{padding:18px 10px}.sidebar-brand>div:last-child,.side-nav a{font-size:0}.side-nav a span{font-size:16px;width:100%}.nav-section{display:none}.module-grid{grid-template-columns:repeat(2,1fr)}.hero-card{align-items:flex-start;flex-direction:column}.hero-meta{min-width:0;width:100%}}
@media(max-width:700px){.installer-page{padding:18px 10px}.installer-card{padding:20px;border-radius:18px}.installer-card h1{font-size:24px}.form-grid.cols-2{grid-template-columns:1fr}.span-2{grid-column:auto}.auth-panel{padding:24px}.auth-brand-panel{min-height:300px}.auth-copy h1{font-size:30px}.auth-copy p{font-size:14px}.app-layout{display:block}.sidebar{position:static;height:auto;min-height:0;display:block}.sidebar-brand{padding-bottom:14px}.side-nav{display:grid;grid-template-columns:repeat(4,1fr)}.side-nav a{font-size:9px;display:flex;flex-direction:column;text-align:center;padding:8px 4px}.side-nav a span{font-size:15px}.side-nav a.disabled{display:none}.sidebar-footer{display:none}.main-content{padding:16px}.topbar{align-items:flex-start}.user-chip{display:none}.hero-meta{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}.module-grid,.system-grid{grid-template-columns:1fr}.hero-card{padding:20px}}

/* v0.2 Catalog */
textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--text);outline:none;resize:vertical;font:inherit;line-height:1.7;transition:.18s}
textarea:focus{border-color:#98a2b3;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.btn-secondary{background:#fff;color:#344054;border:1px solid var(--line)}
.btn-secondary:hover{background:#f8fafc}
.badge-info{background:#eff8ff;color:#175cd3;border-color:#b2ddff}
.content-lead{margin:0 0 20px;color:#667085;line-height:1.8;font-size:14px}.content-lead.compact{margin:0}
.side-nav a.nav-sub{padding-right:30px;font-size:11px;color:#98a2b3}.side-nav a.nav-sub.active{color:#fff}
.page-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.action-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.upgrade-banner{background:#fff7ed;border:1px solid #fed7aa;border-radius:16px;padding:15px 16px;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.upgrade-banner strong,.upgrade-banner span{display:block}.upgrade-banner strong{font-size:14px}.upgrade-banner span{font-size:12px;color:#9a3412;margin-top:5px}.upgrade-card{max-width:760px;margin:60px auto}
.module-card-live{transition:.18s}.module-card-live:hover{border-color:#98a2b3;box-shadow:0 8px 20px rgba(16,24,40,.06);transform:translateY(-1px)}.module-card-live .module-icon{background:#ecfdf3;color:#067647}
.filter-bar{display:grid;grid-template-columns:minmax(250px,2fr) minmax(160px,1fr) minmax(150px,1fr) auto auto;gap:12px;align-items:end}.filter-button{height:43px}
.table-card{padding-bottom:14px}.table-scroll{overflow-x:auto;border:1px solid #f2f4f7;border-radius:12px}.data-table{width:100%;border-collapse:collapse;min-width:780px;background:#fff}.data-table th,.data-table td{padding:13px 14px;text-align:right;border-bottom:1px solid #f2f4f7;vertical-align:middle;font-size:12px}.data-table th{background:#f8fafc;color:#667085;font-size:10px;font-weight:800;white-space:nowrap}.data-table tbody tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#fcfcfd}.table-sub{display:block;color:#98a2b3;font-size:10px;margin-top:5px}.mono{font-family:Consolas,"SFMono-Regular",monospace;direction:ltr;unicode-bidi:embed}.list-count{font-size:11px;color:#667085;background:#f2f4f7;border-radius:999px;padding:6px 10px}.row-actions{white-space:nowrap}.icon-btn{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px;font-size:10px;font-weight:800}.icon-btn:hover{background:#f8fafc}
.product-cell{display:flex;align-items:center;gap:10px;min-width:180px}.product-cell strong,.product-cell small{display:block}.product-cell small{font-size:9px;color:#98a2b3;margin-top:4px}.product-thumb{width:42px;height:42px;border-radius:10px;background:#f2f4f7;overflow:hidden;display:grid;place-items:center;flex:0 0 auto;font-weight:900;color:#667085}.product-thumb img{width:100%;height:100%;object-fit:contain;background:#fff}.status-chip{display:inline-flex;border-radius:999px;padding:5px 8px;font-size:9px;font-weight:800}.status-active{background:#ecfdf3;color:#067647}.status-inactive{background:#f2f4f7;color:#475467}.status-archived{background:#fff1f3;color:#c01048}.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:10px;color:#667085}.status-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:#98a2b3}.status-dot.ok{color:#067647}.status-dot.ok:before{background:#12b76a}
.empty-state{text-align:center;padding:56px 20px}.empty-icon{width:58px;height:58px;border-radius:18px;background:#f2f4f7;display:grid;place-items:center;margin:0 auto 14px;font-size:25px}.empty-state h3{margin:0 0 7px}.empty-state p{margin:0 0 18px;color:#667085;font-size:13px}.empty-cell{text-align:center!important;color:#98a2b3;padding:30px!important}
.pagination{display:flex;align-items:center;justify-content:center;gap:14px;padding:16px 0 2px;font-size:11px;color:#667085}.pagination a{border:1px solid var(--line);border-radius:9px;padding:7px 12px;background:#fff;color:#344054}.pagination a.disabled{opacity:.4;pointer-events:none}
.breadcrumbs{display:flex;align-items:center;gap:8px;color:#667085;font-size:11px;margin:-8px 0 16px}.breadcrumbs strong{color:#344054}.breadcrumbs a:hover{text-decoration:underline}
.form-main-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,.8fr);gap:16px}.form-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.form-side-card{height:fit-content}.field-hint{color:#98a2b3;font-weight:400;font-size:10px;line-height:1.6}.image-upload-box{display:grid;gap:12px}.image-upload-box img,.image-placeholder{width:100%;aspect-ratio:1.35/1;border-radius:14px;border:1px dashed #d0d5dd;object-fit:contain;background:#f8fafc}.image-placeholder{display:grid;place-items:center;color:#98a2b3;font-size:20px;font-weight:900}.image-upload-box small{color:#98a2b3;font-size:10px}.check-row{display:flex;flex-direction:row;align-items:center;gap:8px;font-weight:600}.check-row input{width:auto}
.check-card{display:flex;flex-direction:row;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;cursor:pointer}.check-card input{width:auto;margin-top:2px}.check-card strong,.check-card small{display:block}.check-card strong{font-size:12px}.check-card small{font-size:9px;color:#98a2b3;margin-top:4px;line-height:1.5}.compact-check{margin:0;min-height:70px;align-items:center}
.sticky-form-actions{position:sticky;bottom:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:0 12px 28px rgba(16,24,40,.10);display:flex;justify-content:flex-start;gap:10px;margin:0 0 12px;z-index:5}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.stack-form{display:grid;gap:14px}

@media(max-width:1100px){.filter-bar{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-search{grid-column:span 2}.form-main-grid{grid-template-columns:1fr}.form-grid.cols-3{grid-template-columns:1fr 1fr}.settings-grid{grid-template-columns:1fr}}
@media(max-width:700px){.page-actions{align-items:stretch;flex-direction:column}.action-row .btn{flex:1}.catalog-metrics{grid-template-columns:repeat(2,1fr)}.filter-bar{grid-template-columns:1fr}.filter-search{grid-column:auto}.filter-button{width:100%}.form-grid.cols-3{grid-template-columns:1fr}.sticky-form-actions{bottom:8px}.sticky-form-actions .btn{flex:1}.upgrade-banner{align-items:stretch;flex-direction:column}.upgrade-banner .btn{width:100%}.side-nav a.nav-sub{padding-right:4px}.products-table{min-width:920px}}