:root{color-scheme:light;--font-sans:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-serif:"Fraunces",Georgia,"Times New Roman",serif;--font-mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:28px;--radius-pill:9999px;--canvas:#eeeff8;--surface:#ffffff;--surface-subtle:#f4f4fb;--surface-sunken:#e6e7f3;--line:#e1e2f0;--line-strong:#7476a3;--ink:#12123a;--ink-muted:#4b4d75;--ink-subtle:#62648a;--brand:#4548de;--brand-strong:#3235b8;--brand-deep:#14117a;--brand-tint:#e7e8fd;--on-brand:#ffffff;--nav:#0c0a47;--nav-end:#16137e;--nav-border:rgba(168,170,255,0.38);--nav-ink:#e4e5fb;--nav-muted:#aeb0e0;--nav-line:rgba(168,170,255,0.22);--nav-active:#4f52e8;--nav-active-ink:#ffffff;--nav-accent:#9fa2ff;--nav-glow:rgba(110,113,255,0.6);--nav-badge:#ffffff;--nav-badge-ink:#0c0a47;--focus-ring:#4548de;--success:#17693f;--success-tint:#dcf3e6;--warning:#7a4f00;--warning-tint:#fbf0d6;--danger:#b3261e;--danger-tint:#fcebe8;--teal:#09716c;--teal-tint:#d8f1ee;--violet:#8a3fd0;--violet-tint:#f0e4fa;--shadow-sm:0 1px 2px rgba(18,18,58,0.06),0 2px 8px -2px rgba(18,18,58,0.08);--shadow-md:0 4px 12px -2px rgba(18,18,58,0.09),0 16px 40px -12px rgba(18,18,58,0.18);--shadow-overlay:0 32px 80px -16px rgba(18,18,58,0.34),0 8px 24px -8px rgba(18,18,58,0.14)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--canvas:#070622;--surface:#12113d;--surface-subtle:#19184d;--surface-sunken:#222163;--line:#2a2965;--line-strong:#7476ad;--ink:#eeeefc;--ink-muted:#b3b5da;--ink-subtle:#9a9cc6;--brand:#8083ff;--brand-strong:#a9abff;--brand-deep:#1a1880;--brand-tint:#1d1c5e;--on-brand:#0a0930;--nav:#0b0a33;--nav-end:#14115c;--nav-border:rgba(168,170,255,0.34);--nav-ink:#e4e5fb;--nav-muted:#a4a6d6;--nav-line:rgba(168,170,255,0.2);--nav-active:#5b5ef0;--nav-active-ink:#ffffff;--nav-accent:#9fa2ff;--nav-glow:rgba(110,113,255,0.5);--nav-badge:#ffffff;--nav-badge-ink:#0c0a47;--focus-ring:#8083ff;--success:#5fd39a;--success-tint:#12301f;--warning:#f0b84a;--warning-tint:#382a0c;--danger:#ff8a80;--danger-tint:#3d1815;--teal:#3cc9be;--teal-tint:#0f3a3d;--violet:#c99bff;--violet-tint:#2a1a4a;--shadow-sm:0 1px 2px rgba(0,0,0,0.4),0 2px 8px -2px rgba(0,0,0,0.4);--shadow-md:0 4px 12px -2px rgba(0,0,0,0.5),0 16px 40px -12px rgba(0,0,0,0.6);--shadow-overlay:0 32px 80px -16px rgba(0,0,0,0.7),0 8px 24px -8px rgba(0,0,0,0.5)}}:root[data-theme=dark]{color-scheme:dark;--canvas:#070622;--surface:#12113d;--surface-subtle:#19184d;--surface-sunken:#222163;--line:#2a2965;--line-strong:#7476ad;--ink:#eeeefc;--ink-muted:#b3b5da;--ink-subtle:#9a9cc6;--brand:#8083ff;--brand-strong:#a9abff;--brand-deep:#1a1880;--brand-tint:#1d1c5e;--on-brand:#0a0930;--nav:#0b0a33;--nav-end:#14115c;--nav-border:rgba(168,170,255,0.34);--nav-ink:#e4e5fb;--nav-muted:#a4a6d6;--nav-line:rgba(168,170,255,0.2);--nav-active:#5b5ef0;--nav-active-ink:#ffffff;--nav-accent:#9fa2ff;--nav-glow:rgba(110,113,255,0.5);--nav-badge:#ffffff;--nav-badge-ink:#0c0a47;--focus-ring:#8083ff;--success:#5fd39a;--success-tint:#12301f;--warning:#f0b84a;--warning-tint:#382a0c;--danger:#ff8a80;--danger-tint:#3d1815;--teal:#3cc9be;--teal-tint:#0f3a3d;--violet:#c99bff;--violet-tint:#2a1a4a;--shadow-sm:0 1px 2px rgba(0,0,0,0.4),0 2px 8px -2px rgba(0,0,0,0.4);--shadow-md:0 4px 12px -2px rgba(0,0,0,0.5),0 16px 40px -12px rgba(0,0,0,0.6);--shadow-overlay:0 32px 80px -16px rgba(0,0,0,0.7),0 8px 24px -8px rgba(0,0,0,0.5)}.hd-text-display-xl{font-size:60px;line-height:64px;letter-spacing:-.02em}.hd-text-display-lg,.hd-text-display-xl{font-family:var(--font-serif);font-weight:500}.hd-text-display-lg{font-size:44px;line-height:50px;letter-spacing:-.015em}.hd-text-heading-1{font-size:32px;line-height:38px;font-weight:500}.hd-text-heading-1,.hd-text-heading-2{font-family:var(--font-sans);letter-spacing:-.01em}.hd-text-heading-2{font-size:20px;line-height:28px;font-weight:600}.hd-text-heading-3{line-height:24px;font-weight:600}.hd-text-body-lg,.hd-text-heading-3{font-family:var(--font-sans);font-size:17px}.hd-text-body-lg{line-height:27px;font-weight:400}.hd-text-body{font-size:15px;line-height:24px}.hd-text-body,.hd-text-body-sm{font-family:var(--font-sans);font-weight:400}.hd-text-body-sm{font-size:13px;line-height:20px}.hd-text-label{font-size:14px;line-height:20px}.hd-text-caption,.hd-text-label{font-family:var(--font-sans);font-weight:500}.hd-text-caption{font-size:12px;line-height:16px;letter-spacing:.02em}.hd-text-mono{font-family:var(--font-mono);font-size:13px;line-height:20px;font-weight:400}.hd-btn,.hd-input,.hd-select{font-family:var(--font-sans)}.hd-btn:focus-visible,.hd-input:focus-visible,.hd-select:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.hd-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-5);border:1px solid transparent;border-radius:var(--radius-md);font-size:14px;line-height:20px;font-weight:500;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background-color .14s ease-out,border-color .14s ease-out,color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out}.hd-btn svg{width:20px;height:20px;flex:none}.hd-btn:active:not(:disabled){transform:scale(.98)}.hd-btn--primary{background:var(--brand);color:var(--on-brand);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 1px 2px rgba(17,31,51,.12)}.hd-btn--primary:hover{background:var(--brand-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 4px 12px -2px color-mix(in srgb,var(--brand) 45%,transparent)}.hd-btn--primary:active{background:var(--brand-strong);box-shadow:none}.hd-btn--secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}.hd-btn--secondary:hover{background:var(--surface-subtle)}.hd-btn--secondary:active{background:var(--surface-sunken);box-shadow:none}.hd-btn--quiet{background:transparent;color:var(--brand)}.hd-btn--quiet:hover{background:var(--brand-tint);color:var(--brand-strong)}.hd-btn--quiet:active{background:color-mix(in srgb,var(--brand) 18%,transparent)}.hd-btn--danger{background:var(--surface);color:var(--danger);border-color:var(--danger)}.hd-btn--danger:hover{background:var(--danger-tint)}.hd-btn--block{display:flex;width:100%}.hd-btn:disabled,.hd-btn[aria-disabled=true]{background:var(--surface-sunken);color:var(--ink-subtle);border-color:transparent;box-shadow:none;cursor:not-allowed}.hd-field{display:flex;flex-direction:column;gap:var(--space-2);font-family:var(--font-sans)}.hd-field__label{font-size:14px;line-height:20px;font-weight:500;color:var(--ink)}.hd-input,.hd-select{box-sizing:border-box;min-height:44px;width:100%;padding:0 var(--space-4);background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--radius-md);font-size:15px;line-height:24px;transition:border-color .14s ease-out,box-shadow .14s ease-out}.hd-input::placeholder{color:var(--ink-subtle)}.hd-input:hover,.hd-select:hover{border-color:var(--ink-muted)}.hd-input:focus,.hd-select:focus{border-color:var(--brand)}.hd-field__help{margin:0;font-size:13px;line-height:20px;color:var(--ink-muted)}.hd-field--error .hd-input{border-color:var(--danger)}.hd-field__error{display:flex;align-items:center;gap:var(--space-2);margin:0;font-size:13px;line-height:20px;color:var(--danger)}.hd-field__error svg{width:16px;height:16px;flex:none}.hd-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:3px var(--space-3) 3px var(--space-2);border-radius:var(--radius-pill);font-family:var(--font-sans);font-size:12px;line-height:16px;font-weight:500;letter-spacing:.02em;background:var(--surface-sunken);color:var(--ink-muted);white-space:nowrap}.hd-badge svg{width:14px;height:14px;flex:none}.hd-badge--brand{background:var(--brand-tint);color:var(--brand-strong)}.hd-badge--success{background:var(--success-tint);color:var(--success)}.hd-badge--warning{background:var(--warning-tint);color:var(--warning)}.hd-badge--danger{background:var(--danger-tint);color:var(--danger)}@media (prefers-reduced-motion:reduce){.hd-btn,.hd-input,.hd-select{transition:none}.hd-btn:active:not(:disabled){transform:none}}.hd-logo{display:inline-flex;align-items:center;line-height:0}.hd-logo img{height:var(--hd-logo-h,32px);width:auto;display:block}.hd-logo .hd-logo__dark{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .hd-logo__light{display:none}:root:not([data-theme=light]) .hd-logo__dark{display:block}}:root[data-theme=dark] .hd-logo__light{display:none}:root[data-theme=dark] .hd-logo__dark{display:block}.hd-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hd-link{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;font:inherit;padding:0;border:0;background:none;cursor:pointer}.hd-link:hover{color:var(--brand-strong);text-decoration-thickness:2px}.hd-link:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:4px}.hd-alert{display:flex;gap:var(--space-3);align-items:flex-start;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:14px;line-height:20px}.hd-alert svg{width:18px;height:18px;flex:none;margin-top:1px}.hd-alert--info{background:var(--brand-tint);color:var(--brand-strong)}.hd-alert--success{background:var(--success-tint);color:var(--success)}.hd-alert--warning{background:var(--warning-tint);color:var(--warning)}.hd-alert--danger{background:var(--danger-tint);color:var(--danger)}.hd-alert .hd-link{color:inherit}.hd-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-sm)}.hd-stack{display:flex;flex-direction:column;gap:var(--space-5)}.hd-stack--tight{gap:var(--space-3)}.hd-row{align-items:center;flex-wrap:wrap}.hd-choice,.hd-row{display:flex;gap:var(--space-3)}.hd-choice{align-items:flex-start;padding:var(--space-4);border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:var(--surface);cursor:pointer;text-align:left;font-family:var(--font-sans);color:var(--ink);width:100%;transition:background-color .14s ease-out,border-color .14s ease-out,box-shadow .14s ease-out}.hd-choice:hover{background:var(--surface-subtle)}.hd-choice[aria-pressed=true]{background:var(--brand-tint);border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}.hd-choice:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.hd-choice__icon{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:var(--radius-md);background:var(--brand-tint);color:var(--brand-strong)}.hd-choice__icon svg{width:20px;height:20px}.hd-choice b{display:block;font-size:15px;line-height:22px;font-weight:600}.hd-choice span{display:block;font-size:13px;line-height:20px;color:var(--ink-muted)}.hd-avatar{flex:none;display:inline-grid;place-items:center;width:44px;height:44px;overflow:hidden;border-radius:50%;background:var(--brand-tint);color:var(--brand-strong);font:600 15px/1 var(--font-sans);letter-spacing:.02em;-webkit-user-select:none;user-select:none}.hd-avatar img{display:block;width:100%;height:100%;object-fit:cover}.hd-avatar--sm{width:28px;height:28px;font-size:11px}.hd-avatar--lg{width:64px;height:64px;font-size:22px}.hd-avatar--xl{width:96px;height:96px;font-size:32px}.hd-avatar--more{background:var(--surface-subtle);color:var(--ink-muted)}.hd-avatar-stack{display:inline-flex;flex:none;align-items:center}.hd-avatar-stack .hd-avatar{box-shadow:0 0 0 2px var(--surface)}.hd-avatar-stack .hd-avatar+.hd-avatar{margin-left:-8px}