:root,:root[data-theme=light]{--brand-primary: #4f46e5;--brand-primary-hover: #4338ca;--brand-accent: #4f46e5;--brand-background: #fafafa;--brand-foreground: #1a1a1a;--brand-error: #b91c1c;--auth-surface: #ffffff;--auth-surface-muted: #f4f4f5;--auth-border: #d4d4d8;--auth-border-strong: #a1a1aa;--auth-text-muted: #52525b;--auth-text-soft: #27272a;--auth-divider: #e4e4e7;--auth-shadow: 0 4px 24px rgba(15, 23, 42, .08)}:root[data-theme=dark]{--brand-primary: #818cf8;--brand-primary-hover: #6366f1;--brand-accent: #818cf8;--brand-background: #09090b;--brand-foreground: #fafafa;--brand-error: #f87171;--auth-surface: #18181b;--auth-surface-muted: #27272a;--auth-border: #3f3f46;--auth-border-strong: #52525b;--auth-text-muted: #a1a1aa;--auth-text-soft: #d4d4d8;--auth-divider: #27272a;--auth-shadow: 0 4px 24px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;color-scheme:light}html[data-theme=dark]{color-scheme:dark}body{min-height:100vh;color:var(--brand-foreground);background-color:var(--brand-background);transition:background-color .12s ease,color .12s ease}#root{min-height:100vh}.auth-shell--centered{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:420px;background:var(--auth-surface);border-radius:12px;box-shadow:var(--auth-shadow);padding:32px;position:relative}.auth-shell--split{min-height:100vh;display:grid;grid-template-columns:1fr}.auth-shell__brand-panel{display:none}.auth-shell__form-panel{display:flex;align-items:center;justify-content:center;padding:24px}.auth-shell--split .auth-card{box-shadow:none;background:transparent;padding:0}@media(min-width:720px){.auth-shell--split{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}.auth-shell__brand-panel{display:flex;flex-direction:column;justify-content:space-between;padding:48px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand-primary) 92%,black),var(--brand-primary));color:#fff;position:relative;overflow:hidden}.auth-shell__brand-panel:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,color-mix(in srgb,var(--brand-accent) 35%,transparent),transparent 60%);pointer-events:none}.auth-shell__brand-panel-content{position:relative;z-index:1}.auth-shell__brand-logo{display:block;max-height:48px;max-width:240px;margin-bottom:32px;background:#ffffffeb;border-radius:8px;padding:6px 8px}.auth-shell__brand-tagline{font-size:28px;font-weight:600;line-height:1.2;max-width:360px}.auth-shell__brand-footer{position:relative;z-index:1;font-size:13px;opacity:.8}}.auth-logo{display:block;max-height:40px;max-width:200px;margin-bottom:16px}.auth-title{font-size:24px;font-weight:600;margin-bottom:8px;color:var(--brand-foreground)}.auth-subtitle{color:var(--auth-text-muted);font-size:14px;margin-bottom:24px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-field{display:flex;flex-direction:column;gap:6px;font-size:14px}.auth-field span{font-weight:500;color:var(--auth-text-soft)}.auth-field input{padding:10px 12px;border:1px solid var(--auth-border);background:var(--auth-surface);color:var(--brand-foreground);border-radius:6px;font-size:14px;font-family:inherit}.auth-field input:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-primary) 15%,transparent)}.auth-submit{margin-top:8px;padding:11px 16px;background:var(--brand-primary);color:#fff;font-size:14px;font-weight:500;border:none;border-radius:6px;cursor:pointer}.auth-submit:hover:not(:disabled){background:var(--brand-primary-hover)}.auth-submit:disabled{background:color-mix(in srgb,var(--brand-primary) 50%,var(--auth-surface));cursor:not-allowed}.auth-error{color:var(--brand-error);font-size:13px;background:color-mix(in srgb,var(--brand-error) 8%,var(--auth-surface));border:1px solid color-mix(in srgb,var(--brand-error) 30%,var(--auth-surface));padding:8px 12px;border-radius:6px}.auth-help{margin-top:20px;font-size:13px;color:var(--auth-text-muted);text-align:center}.auth-help a{color:var(--brand-primary);text-decoration:none}.auth-help a:hover{text-decoration:underline}.auth-link-button{background:none;border:none;padding:0;font:inherit;color:var(--brand-primary);cursor:pointer;text-decoration:underline}.auth-oauth-list{display:flex;flex-direction:column;gap:8px}.auth-oauth-button{display:flex;align-items:center;justify-content:center;padding:10px 16px;background:var(--auth-surface);color:var(--brand-foreground);font-size:14px;font-weight:500;border:1px solid var(--auth-border);border-radius:6px;text-decoration:none;cursor:pointer}.auth-oauth-button:hover{background:var(--auth-surface-muted);border-color:var(--auth-border-strong)}.auth-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--auth-border-strong);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--auth-divider)}.auth-theme-toggle{position:absolute;top:12px;right:12px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:var(--auth-surface-muted);color:var(--brand-foreground);border:1px solid var(--auth-border);border-radius:999px;cursor:pointer;padding:0;font-size:16px;line-height:1}.auth-theme-toggle:hover{border-color:var(--auth-border-strong)}.auth-theme-toggle:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px}.auth-shell--split .auth-theme-toggle{position:fixed;top:16px;right:16px}.auth-skeleton{width:100%;max-width:420px;background:var(--auth-surface);border-radius:12px;box-shadow:var(--auth-shadow);padding:32px;display:flex;flex-direction:column;gap:16px}.auth-skeleton-bar{background:linear-gradient(90deg,var(--auth-surface-muted),var(--auth-divider),var(--auth-surface-muted));background-size:200% 100%;border-radius:6px;animation:auth-skeleton-shimmer 1.4s ease-in-out infinite}.auth-skeleton-bar--title{height:24px;width:60%}.auth-skeleton-bar--subtitle{height:14px;width:80%}.auth-skeleton-bar--field{height:40px;width:100%}.auth-skeleton-bar--button{height:44px;width:100%;margin-top:8px}@keyframes auth-skeleton-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}