:root{--color-bg:#FFFFFF;--color-text:#1D1D1F;--color-text-secondary:#6E6E73;--color-accent:#6E56F8;--color-accent-deep:#4F3BD4;--color-card:#F5F5F7;--color-border:#E8E8ED;--color-success-bg:#E6F4EC;--color-success-text:#14804A;--color-gap-bg:#FDE7E7;--color-gap-text:#C4241E;--color-warn-bg:#FFF4E0;--color-warn-text:#8A5A00;--radius-card:18px;--radius-pill:980px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-size-body:17px;--line-height-body:1.5;--font-weight-heading:600;--letter-spacing-heading:-0.02em;--space-xs:8px;--space-sm:16px;--space-md:32px;--space-lg:64px;--space-xl:96px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,html{font-size:var(--font-size-body)}body{font-family:var(--font-sans);line-height:var(--line-height-body);color:var(--color-text);background-color:var(--color-bg)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-heading);letter-spacing:var(--letter-spacing-heading);line-height:1.1}a{color:var(--color-accent-deep);text-decoration:none}a:hover{text-decoration:underline}.card{background:var(--color-card);border-radius:var(--radius-card);border:none}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--space-sm);gap:var(--space-sm)}@media (max-width:640px){.grid-2{grid-template-columns:1fr}}.input{width:100%;padding:14px 18px;border:none;border-radius:12px;background:#FFFFFF;font-family:var(--font-sans);font-size:15px;color:var(--color-text);outline:none;transition:box-shadow .15s ease}.input::placeholder{color:var(--color-text-secondary)}.input:focus{box-shadow:0 0 0 3px rgba(110,86,248,.35)}textarea.input{resize:vertical;min-height:88px;line-height:1.5}.toggle{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-pill);background:#FFFFFF;font-size:14px;font-weight:500;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;color:var(--color-text-secondary);transition:background .15s ease,color .15s ease}.toggle input{accent-color:var(--color-accent)}.toggle.on{background:var(--color-accent);color:#FFFFFF}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:12px 28px;border-radius:var(--radius-pill);border:none;font-family:var(--font-sans);font-size:15px;font-weight:500;cursor:pointer;transition:opacity .15s ease,transform .1s ease;white-space:nowrap}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-accent);color:#FFFFFF}.btn-primary:hover{opacity:.88}.btn-secondary{background:var(--color-card);color:var(--color-text)}.btn-secondary:hover{opacity:.75}