:root{--bk-canvas:#030303;--bk-surface:#0a0a0c;--bk-elevated:#141417;--bk-border:#27272a;--bk-border-hover:#3f3f46;--bk-text-main:#fff;--bk-text-muted:#a1a1aa;--bk-text-tertiary:#94949c;--bk-volt:#e2ff3d;--bk-volt-hover:#f0ff8a;--bk-volt-active:#d4e560;--bk-volt-ink:#1e2800;--bk-error:#ffb4ab;--bk-radius-md:8px;--bk-radius-lg:12px;--bk-radius-full:100px;--bk-font:Inter, system-ui, -apple-system, "Segoe UI", sans-serif;--bk-font-mono:"JetBrains Mono", ui-monospace, monospace;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}body{background:var(--bk-canvas);color:var(--bk-text-main);font-family:var(--bk-font);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.6}h1{letter-spacing:-.03em;margin:0 0 8px;font-size:clamp(1.5rem,1.2rem + 1.5vw,2rem);font-weight:800;line-height:1.1}p{margin:0 0 16px}.muted{color:var(--bk-text-muted)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}:focus-visible{outline:2px solid var(--bk-volt);outline-offset:2px}.shell{flex-direction:column;min-height:100vh;display:flex}.shell-header{border-bottom:1px solid var(--bk-border);justify-content:space-between;align-items:center;gap:16px;height:56px;padding:0 clamp(16px,4vw,32px);display:flex}.shell-brand{color:inherit;align-items:center;gap:8px;text-decoration:none;display:flex}.shell-product{font-family:var(--bk-font-mono);color:var(--bk-text-muted);letter-spacing:.05em;font-size:.8rem;font-weight:600}.shell-account{align-items:center;gap:12px;min-width:0;display:flex}.shell-email{color:var(--bk-text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.875rem;overflow:hidden}.shell-main{flex:1;width:100%;max-width:720px;margin:0 auto;padding:clamp(32px,8vh,96px) clamp(16px,4vw,32px)}.shell-footer{border-top:1px solid var(--bk-border);justify-content:center;padding:16px;display:flex}.card{background:var(--bk-surface);border:1px solid var(--bk-border);border-radius:var(--bk-radius-lg);padding:24px}.auth-card{max-width:440px;margin:0 auto}form{flex-direction:column;gap:16px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field-label{color:var(--bk-text-muted);letter-spacing:.05em;font-size:.75rem;font-weight:500}input,select{background:var(--bk-surface);height:40px;color:var(--bk-text-main);font:inherit;border:1px solid var(--bk-border);border-radius:var(--bk-radius-md);padding:8px 12px;transition:border-color .2s ease-out}input::placeholder{color:var(--bk-text-tertiary)}input:hover,select:hover{border-color:var(--bk-border-hover)}input:focus-visible{border-color:var(--bk-volt);outline:none;box-shadow:inset 0 0 0 3px #e2ff3d26}input[aria-invalid=true]{border-color:var(--bk-error)}.language select{height:32px;color:var(--bk-text-muted);padding:4px 8px;font-size:.875rem}.button{height:40px;font:inherit;white-space:nowrap;border-radius:var(--bk-radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;padding:8px 16px;font-weight:500;transition:background-color .2s ease-out,color .2s ease-out;display:inline-flex}.button:disabled{opacity:.5;pointer-events:none}.button-primary{background:var(--bk-volt);color:var(--bk-volt-ink)}.button-primary:hover{background:var(--bk-volt-hover)}.button-primary:active{background:var(--bk-volt-active)}.button-secondary{color:var(--bk-text-main);border-color:var(--bk-border-hover);background:0 0}.button-secondary:hover{background:#ffffff0d}.button-ghost{height:32px;color:var(--bk-text-muted);background:0 0;padding:4px 12px;font-size:.875rem}.button-ghost:hover{color:var(--bk-text-main);background:#ffffff0d}.tag{background:var(--bk-elevated);letter-spacing:.05em;border-radius:var(--bk-radius-full);align-items:center;height:28px;padding:0 12px;font-size:.75rem;font-weight:500;display:inline-flex}.alert{border-radius:var(--bk-radius-md);border:1px solid;padding:12px 16px;font-size:.9375rem}.alert-error{color:var(--bk-error);background:#ffb4ab1f;border-color:#ffb4ab66}@media (width<=560px){.shell-email{display:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}