:root{--color-bg:#f3f5f7;--color-panel:#fff;--color-panel-muted:#f8fafc;--color-text:#1f2937;--color-text-secondary:#64748b;--color-text-tertiary:#94a3b8;--color-border:#d8dee6;--color-border-strong:#c3cbd6;--color-accent:#3457a6;--color-accent-hover:#2a4685;--color-accent-soft:#e8edf8;--color-accent-soft-strong:#d7e0f4;--color-teal:#0f766e;--color-teal-soft:#e3f2f0;--color-success:#157347;--color-success-bg:#e5f4ea;--color-danger:#b3261e;--color-danger-bg:#fbeae8;--color-warning:#92700c;--color-warning-bg:#fdf3d8;--color-neutral:#475569;--color-neutral-bg:#eef1f4;--color-sidebar-bg:#101a2e;--color-sidebar-bg-raised:#16223b;--color-sidebar-text:#b9c3d6;--color-sidebar-text-muted:#7c8aa3;--color-sidebar-active-bg:#24345a;--color-sidebar-active-text:#fff;--color-sidebar-border:#22304d;--font-family:"Segoe UI", -apple-system, "Inter", system-ui, sans-serif;--font-size-base:13px;--font-size-label:12px;--font-size-table:12.5px;--font-size-page-title:21px;--font-size-section-title:15px;--font-size-helper:11.5px;--font-size-button:13px;--font-weight-body:400;--font-weight-medium:500;--font-weight-semibold:600;--space-page-padding:20px;--space-card-padding:16px;--space-card-padding-lg:18px;--space-field-gap:12px;--space-section-gap:18px;--control-height:34px;--control-height-sm:28px;--sidebar-width:232px;--sidebar-item-height:34px;--radius-sm:5px;--radius-md:6px;--radius-lg:8px;--radius-pill:999px;--shadow-subtle:0 1px 2px #1018280d;--shadow-panel:0 1px 3px #1018280f;color:var(--color-text);background:var(--color-bg);font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;font-weight:var(--font-weight-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--color-accent)}#app{min-height:100vh}.page-loader,.auth-layout{min-height:100vh;padding:var(--space-page-padding);place-items:center;display:grid}.auth-panel{gap:var(--space-section-gap);grid-template-columns:1fr 1fr;align-items:stretch;width:min(880px,100%);display:grid}.auth-copy,.auth-form,.section-card,.metric-card,.admin-user-card,.plan-card{border:1px solid var(--color-border);box-shadow:var(--shadow-panel);background:var(--color-panel)}.auth-copy{border-radius:var(--radius-lg);background:var(--color-sidebar-bg);color:var(--color-sidebar-text);border:none;flex-direction:column;justify-content:center;padding:24px;display:flex}.brand-kicker,.eyebrow,.plan-slug,.nav-section-label{font-size:var(--font-size-helper);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.08em;color:var(--color-teal);display:inline-block}.auth-copy .brand-kicker{color:#7fd6cb}.auth-copy h1,.page-header h2,.brand-title{font-size:var(--font-size-page-title);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:8px 0 10px;line-height:1.25}.auth-copy h1{color:#fff;font-size:24px}.auth-copy p,.page-header p,.brand-copy,.section-head p{font-size:var(--font-size-helper);color:var(--color-text-secondary);margin:0}.auth-copy p{color:var(--color-sidebar-text-muted)}.auth-form{border-radius:var(--radius-lg);gap:var(--space-field-gap);align-content:center;padding:24px;display:grid}.auth-form label,.stack-form label{color:var(--color-text);font-weight:var(--font-weight-medium);font-size:var(--font-size-label);gap:6px;display:grid}input,textarea,select{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-panel);width:100%;height:var(--control-height);color:var(--color-text);font-size:var(--font-size-base);padding:0 12px;transition:border-color .12s,box-shadow .12s}textarea{resize:vertical;height:auto;min-height:80px;padding:10px 12px}input:focus,textarea:focus,select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft);outline:none}input[type=color]{height:var(--control-height);cursor:pointer;width:56px;padding:3px}.field-help{font-size:var(--font-size-helper);color:var(--color-text-secondary);margin:4px 0 0}.field-error{font-size:var(--font-size-helper);color:var(--color-danger);margin:4px 0 0}.primary-button,.ghost-button{border-radius:var(--radius-md);height:var(--control-height);font-size:var(--font-size-button);font-weight:var(--font-weight-medium);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 14px;transition:background .12s,border-color .12s,opacity .12s;display:inline-flex}.primary-button{background:var(--color-accent);color:#fff}.primary-button:hover{background:var(--color-accent-hover)}.ghost-button{background:var(--color-panel);color:var(--color-text);border-color:var(--color-border)}.ghost-button:hover{background:var(--color-panel-muted);border-color:var(--color-border-strong)}.ghost-button.danger{background:var(--color-panel);color:var(--color-danger);border-color:#eecbc7}.ghost-button.danger:hover{background:var(--color-danger-bg)}.primary-button:disabled,.ghost-button:disabled{opacity:.55;cursor:default}.icon-button{width:var(--control-height-sm);height:var(--control-height-sm);border-radius:var(--radius-sm);border:1px solid 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.brand-kicker{color:#7fd6cb}.sidebar-nav{align-content:start;gap:2px;display:grid;overflow-y:auto}.nav-link{height:var(--sidebar-item-height);border-radius:var(--radius-sm);color:var(--color-sidebar-text);font-size:var(--font-size-label);font-weight:var(--font-weight-medium);background:0 0;align-items:center;padding:0 10px;text-decoration:none;display:flex}.nav-link:hover{background:var(--color-sidebar-bg-raised);color:#fff}.nav-link.active{background:var(--color-sidebar-active-bg);color:var(--color-sidebar-active-text);font-weight:var(--font-weight-semibold)}.nav-section-label{color:var(--color-sidebar-text-muted);margin-top:10px;padding:0 10px;font-size:10.5px}.sidebar-footer{border-top:1px solid var(--color-sidebar-border);gap:10px;padding-top:12px;display:grid}.identity-card{border-radius:var(--radius-sm);background:var(--color-sidebar-bg-raised);font-size:var(--font-size-helper);gap:2px;padding:10px;display:grid}.identity-card strong{color:#fff;font-size:var(--font-size-label)}.identity-card span,.identity-card small{color:var(--color-sidebar-text-muted)}.content{padding:var(--space-page-padding);min-width:0}.page-stack{gap:var(--space-section-gap);display:grid}.page-header{justify-content:space-between;align-items:center;gap:var(--space-field-gap);padding-bottom:4px;display:flex}.page-header h2{font-size:var(--font-size-page-title)}.metrics-grid,.cards-grid{gap:var(--space-field-gap);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.metric-card{border-radius:var(--radius-lg);padding:var(--space-card-padding);gap:6px;display:grid}.metric-card span{font-size:var(--font-size-helper);color:var(--color-text-secondary)}.metric-card small{font-size:var(--font-size-helper);color:var(--color-text-tertiary)}.metric-card strong{font-size:22px;font-weight:var(--font-weight-semibold);color:var(--color-text)}.two-column-grid{gap:var(--space-field-gap);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.section-card{border-radius:var(--radius-lg);padding:var(--space-card-padding-lg);gap:var(--space-field-gap);display:grid}.section-head{gap:3px;display:grid}.section-head h3,.plan-card h3{font-size:var(--font-size-section-title);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:0}.detail-list{gap:8px;margin:0;display:grid}.detail-list div{border-bottom:1px solid var(--color-border);font-size:var(--font-size-base);justify-content:space-between;gap:12px;padding-bottom:7px;display:flex}.detail-list dt{color:var(--color-text-secondary)}.detail-list dd{color:var(--color-text);font-weight:var(--font-weight-medium);text-align:right;margin:0}.bullet-list{font-size:var(--font-size-helper);color:var(--color-text-secondary);margin:0;padding-left:16px}.form-grid{gap:var(--space-field-gap);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.stack-form{gap:var(--space-field-gap);display:grid}.inline-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.status-banner{border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);border:1px solid #0000;padding:9px 12px}.status-banner.success{background:var(--color-success-bg);color:var(--color-success);border-color:#c3e6cf}.status-banner.error{background:var(--color-danger-bg);color:var(--color-danger);border-color:#f0c9c4}.status-banner.neutral{background:var(--color-neutral-bg);color:var(--color-neutral);border-color:var(--color-border)}.badge{border-radius:var(--radius-pill);height:20px;font-size:11px;font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;border:1px solid #0000;align-items:center;gap:5px;padding:0 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12px}.tab-button:hover{color:var(--color-text);background:var(--color-panel-muted)}.tab-button.active{color:var(--color-accent);border-bottom-color:var(--color-accent);font-weight:var(--font-weight-semibold)}.data-table{border:1px solid var(--color-border);border-radius:var(--radius-md);gap:0;display:grid;overflow:hidden}.table-row{font-size:var(--font-size-table);border-bottom:1px solid var(--color-border);background:var(--color-panel);grid-template-columns:1fr 140px 2fr;align-items:center;gap:10px;padding:9px 12px;display:grid}.table-row:last-child{border-bottom:none}.table-row:not(.table-head):hover{background:var(--color-panel-muted)}.table-head{font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-secondary);background:var(--color-panel-muted);font-size:11px;position:sticky;top:0}.empty-state{text-align:center;color:var(--color-text-secondary);justify-items:center;gap:4px;padding:24px 12px;display:grid}.empty-state 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small{font-size:var(--font-size-helper);color:var(--color-text-secondary);margin:0}.admin-actions{align-items:center;gap:8px;display:flex}@media (width<=1100px){.shell,.auth-panel,.two-column-grid,.metrics-grid,.cards-grid,.form-grid{grid-template-columns:1fr}.shell{grid-template-rows:auto 1fr}.sidebar{border-right:none;border-bottom:1px solid var(--color-sidebar-border)}}@media (width<=720px){.content,.sidebar,.auth-copy,.auth-form,.section-card{padding:14px}.page-header{flex-direction:column;align-items:start}.data-table{overflow-x:auto}.table-row{grid-template-columns:minmax(140px,1fr) minmax(100px,auto) minmax(160px,2fr);min-width:420px}.admin-user-card{flex-direction:column;align-items:stretch}}