*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#fff;--color-primary-dark:#ccc;--color-secondary:#e4e4e7;--color-secondary-dark:#71717a;--color-background:#000;--color-surface:#121212;--color-surface-light:#1e1e1e;--color-text-primary:#fff;--color-text-secondary:#a1a1aa;--color-text-tertiary:#52525b;--color-accent:#27272a;--color-success:#d4d4d8;--color-error:#ef4444;--color-warning:#a1a1aa;--color-info:#fff;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-xxl:48px;--spacing-xxxl:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:999px;--shadow-sm:0 2px 4px #0000001a;--shadow-md:0 4px 8px #0003;--shadow-lg:0 8px 16px #0000004d;--shadow-primary:0 4px 8px #ffffff4d;--font-primary:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","Roboto",sans-serif;--font-secondary:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe 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0;height:56px}.btn-secondary:hover{background:var(--color-surface)}.btn-destructive{background:var(--color-error);color:#fff;font-size:var(--font-button-small);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-md);height:auto}.btn-full-width{width:100%}.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md)}.mode-card,.intent-card{border-radius:var(--radius-lg);padding:var(--spacing-lg);cursor:pointer;background:linear-gradient(135deg,#12121280 0%,#1e1e1e4d 100%);border:2px solid #0000;transition:all .3s}.mode-card:hover,.intent-card:hover{transform:translateY(-2px)}.mode-card.selected,.intent-card.selected{background:linear-gradient(135deg,var(--color-surface)0%,var(--color-surface-light)100%);border-color:var(--color-primary);box-shadow:0 6px 12px #ffffff4d}.input-field{font-family:var(--font-secondary);font-size:var(--font-body);color:var(--color-text-primary);background:var(--color-surface);border:1.5px solid var(--color-surface-light);border-radius:var(--radius-md);padding:14px var(--spacing-md);width:100%;transition:border-color .2s}.input-field:focus{border-color:var(--color-primary);outline:none}.input-field::placeholder{color:var(--color-text-tertiary)}.chat-bubble{padding:var(--spacing-md);border-radius:var(--radius-lg);word-wrap:break-word;max-width:70%;box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-md)}.chat-bubble.me{background:linear-gradient(135deg,var(--color-primary)0%,var(--color-primary-dark)100%);color:#000;margin-left:auto;box-shadow:0 2px 4px #fff3}.chat-bubble.partner{background:linear-gradient(135deg,var(--color-surface)0%,var(--color-surface-light)100%);color:var(--color-text-primary);margin-right:auto}.control-icon{cursor:pointer;background:#ffffff26;border:1px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;font-size:24px;transition:all .2s;display:flex;box-shadow:0 4px 8px #0000004d}.control-icon:hover{background:#ffffff40}.control-icon:active{transform:scale(.95)}.control-icon.muted{color:var(--color-error)}.spinner{border:4px solid var(--color-surface-light);border-top:4px solid var(--color-primary);border-radius:50%;width:120px;height:120px;animation:1.5s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.container{max-width:600px;padding:0 var(--spacing-xl);margin:0 auto}.screen{flex-direction:column;min-height:100vh;animation:.3s ease-out fadeIn;display:flex}.header{padding:var(--spacing-sm)var(--spacing-md);justify-content:space-between;align-items:center;min-height:60px;display:flex}.back-button{color:var(--color-primary);cursor:pointer;padding:var(--spacing-sm);background:0 0;border:none;align-items:center;gap:6px;font-size:17px;transition:opacity 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(max-width:768px){:root{--font-h1:28px;--font-h2:22px;--font-h3:18px;--font-h4:16px}.container{padding:0 var(--spacing-md)}.intent-grid{grid-template-columns:1fr}}