:root{color-scheme:light dark;--brand-primary-light:#3558e0;--brand-primary-dark:#3558e0;--brand-primary-contrast-light:#ffffff;--brand-primary-contrast-dark:#ffffff;--brand-primary:var(--brand-primary-light);--brand-primary-contrast:var(--brand-primary-contrast-light);--brand-logo-url:none;--bg-canvas:#f4f5f7;--bg-surface:#ffffff;--bg-surface-raised:#ffffff;--bg-subtle:#eef0f3;--bg-hover:#e6e8ec;--bg-selected:#e8ecfd;--border-default:#d7dae0;--border-strong:#b8bdc7;--text-primary:#16181d;--text-secondary:#565c66;--text-tertiary:#838993;--text-on-brand:var(--brand-primary-contrast);--color-accent:var(--brand-primary);--color-accent-hover:color-mix(in srgb,var(--brand-primary) 88%,black);--color-success:#157a45;--color-success-bg:#e3f6ea;--color-danger:#c22a2a;--color-danger-bg:#fbe9e9;--color-warning:#97600b;--color-warning-bg:#fdf1dd;--color-info:#1a5fb4;--color-info-bg:#e6f0fb;--color-online:#1c8a4a;--color-offline:#83899f;--focus-ring:#1a5fb4;--focus-ring-offset:var(--bg-canvas);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;--space-1:2px;--space-2:4px;--space-3:8px;--space-4:12px;--space-5:16px;--space-6:20px;--space-7:28px;--space-8:40px;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--shadow-sm:0 1px 2px rgba(16,18,22,0.06);--shadow-md:0 4px 16px rgba(16,18,22,0.12);--sidebar-width:232px;--topbar-height:48px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-canvas:#14151a;--bg-surface:#1b1d24;--bg-surface-raised:#22242c;--bg-subtle:#24262f;--bg-hover:#2b2e38;--bg-selected:#26305a;--border-default:#33363f;--border-strong:#454854;--text-primary:#eef0f4;--text-secondary:#a7abb6;--text-tertiary:#767b87;--color-success:#4ecb85;--color-success-bg:#12291c;--color-danger:#f0716a;--color-danger-bg:#331616;--color-warning:#e2ac4d;--color-warning-bg:#332608;--color-info:#6fa8f5;--color-info-bg:#142333;--color-online:#3ecb7c;--color-offline:#767b87;--focus-ring:#6fa8f5;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 8px 24px rgba(0,0,0,0.5);--brand-primary:var(--brand-primary-dark);--brand-primary-contrast:var(--brand-primary-contrast-dark)}}:root[data-theme=dark]{--bg-canvas:#14151a;--bg-surface:#1b1d24;--bg-surface-raised:#22242c;--bg-subtle:#24262f;--bg-hover:#2b2e38;--bg-selected:#26305a;--border-default:#33363f;--border-strong:#454854;--text-primary:#eef0f4;--text-secondary:#a7abb6;--text-tertiary:#767b87;--color-success:#4ecb85;--color-success-bg:#12291c;--color-danger:#f0716a;--color-danger-bg:#331616;--color-warning:#e2ac4d;--color-warning-bg:#332608;--color-info:#6fa8f5;--color-info-bg:#142333;--color-online:#3ecb7c;--color-offline:#767b87;--focus-ring:#6fa8f5;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 8px 24px 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var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-7)}.auth-brand{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-6)}.auth-brand-logo{width:32px;height:32px;border-radius:var(--radius-sm);background-color:var(--color-accent);background-image:var(--brand-logo-url);background-size:cover;background-position:50%}.auth-title{font-size:18px;font-weight:700;margin-bottom:var(--space-2)}.auth-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:var(--space-6)}.auth-divider{display:flex;align-items:center;gap:var(--space-3);margin:var(--space-5) 0;color:var(--text-tertiary);font-size:12px}.auth-divider:after,.auth-divider:before{content:"";flex:1 1;height:1px;background:var(--border-default)}.mfa-code-group{display:flex;gap:var(--space-3);justify-content:center}.mfa-code-box{width:44px;height:52px;text-align:center;font-size:22px;font-weight:700;font-family:var(--font-mono);border-radius:var(--radius-md);border:1px solid var(--border-default);background:var(--bg-surface)}.mfa-code-box[aria-invalid=true]{border-color:var(--color-danger)}.console-shell{display:grid;grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:var(--topbar-height) 1fr;grid-template-areas:"sidebar topbar" "sidebar main";min-height:100vh}.impersonation-banner{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-3);padding:var(--space-3) var(--space-5);background:var(--brand-primary);color:var(--brand-primary-contrast);font-size:13px;font-weight:700;border-bottom:2px solid color-mix(in srgb,var(--brand-primary) 55%,black)}.impersonation-banner strong{font-weight:800}.impersonation-banner-expired{background:var(--color-warning-bg);color:var(--color-warning);border-bottom:2px solid color-mix(in srgb,var(--color-warning) 45%,transparent)}.impersonation-banner-exit{flex-shrink:0;height:26px;padding:0 var(--space-3);border-radius:var(--radius-md);border:1px solid;background:transparent;color:inherit;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}.impersonation-banner-exit:hover:not(:disabled){background:color-mix(in srgb,currentColor 18%,transparent)}.impersonation-banner-exit:disabled{opacity:.6;cursor:not-allowed}.impersonation-banner-error{flex-basis:100%;font-weight:600;padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);background:color-mix(in srgb,black 25%,transparent)}.impersonation-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:currentColor;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 30%,transparent)}.console-topbar{grid-area:topbar;align-items:center;justify-content:space-between;gap:var(--space-4);padding:0 var(--space-5);border-bottom:1px solid var(--border-default);min-width:0}.console-sidebar,.console-topbar{display:flex;background:var(--bg-surface)}.console-sidebar{grid-area:sidebar;border-right:1px solid var(--border-default);flex-direction:column;min-height:100vh}.console-main{grid-area:main;padding:var(--space-6);min-width:0;overflow-x:auto}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);height:var(--topbar-height);padding:0 var(--space-5);border-bottom:1px solid var(--border-default);font-weight:700;font-size:13px}.sidebar-nav{flex:1 1;overflow-y:auto;padding:var(--space-4) var(--space-3);display:flex;flex-direction:column;gap:var(--space-1)}.sidebar-link{display:flex;align-items:center;gap:var(--space-3);height:32px;padding:0 var(--space-3);border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;font-weight:600;text-decoration:none}.sidebar-link:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-link[aria-current=page]{background:var(--bg-selected);color:var(--color-accent)}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--border-default);display:flex;flex-direction:column;gap:var(--space-3)}.sidebar-signout{justify-content:flex-start}.identity-block{display:flex;align-items:center;gap:var(--space-3);min-width:0}.identity-avatar{width:26px;height:26px;border-radius:50%;background:var(--color-accent);color:var(--text-on-brand);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.identity-text{min-width:0;display:flex;flex-direction:column;line-height:1.25}.identity-name{font-size:12px;font-weight:600;color:var(--text-primary)}.identity-name,.identity-tenant{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.identity-tenant{font-size:11px;color:var(--text-tertiary)}.page-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-5);flex-wrap:wrap}.page-title{font-size:18px;font-weight:700}.page-subtitle{font-size:13px;color:var(--text-secondary);margin-top:var(--space-1)}.settings-tabs{gap:var(--space-2);border-bottom:1px solid var(--border-default);margin-bottom:var(--space-5)}.settings-tab,.settings-tabs{display:flex;align-items:center}.settings-tab{height:36px;padding:0 var(--space-3);margin-bottom:-1px;border-bottom:2px solid transparent;color:var(--text-secondary);font-size:13px;font-weight:600;text-decoration:none}.settings-tab:hover{color:var(--text-primary)}.settings-tab[aria-current=page]{color:var(--color-accent);border-bottom-color:var(--color-accent)}.settings-tabs-separator{width:1px;align-self:stretch;margin:var(--space-2) var(--space-1);background:var(--border-default)}.toolbar{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4);flex-wrap:wrap}.toolbar-search{min-width:220px;flex:1 1;max-width:320px}.pagination-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4) var(--space-5);border-top:1px solid var(--border-default);font-size:12px;color:var(--text-secondary)}@media (max-width:880px){.console-shell{grid-template-columns:1fr;grid-template-areas:"topbar" "main"}.console-sidebar{display:none}}.ticket-thread{gap:var(--space-4);padding:var(--space-5)}.ticket-message,.ticket-thread{display:flex;flex-direction:column}.ticket-message{gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius-lg);border:1px solid var(--border-default);background:var(--bg-surface);max-width:640px}.ticket-message-public{border-color:var(--border-default);background:var(--bg-surface)}.ticket-message-internal{border-color:color-mix(in srgb,var(--color-warning) 45%,transparent);background:var(--color-warning-bg)}.ticket-message-meta{display:flex;align-items:center;gap:var(--space-3);font-size:12px;color:var(--text-secondary)}.ticket-message-flag,.ticket-message-internal .ticket-message-meta{color:var(--color-warning)}.ticket-message-flag{display:inline-flex;align-items:center;gap:var(--space-2);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.03em}.ticket-message-body{font-size:13px;color:var(--text-primary);white-space:pre-wrap;overflow-wrap:anywhere}.ticket-message-pending{opacity:.65}.composer-mode-toggle{display:inline-flex;border:1px solid var(--border-default);border-radius:var(--radius-md);overflow:hidden}.composer-mode-btn{display:inline-flex;align-items:center;gap:var(--space-2);height:34px;padding:0 var(--space-4);border:none;background:var(--bg-surface);color:var(--text-secondary);font-size:12px;font-weight:700;cursor:pointer}.composer-mode-btn+.composer-mode-btn{border-left:1px solid 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