.ch-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-sans);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);line-height:1;white-space:nowrap;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;transition:var(--transition-colors),transform var(--duration-instant) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.ch-btn:focus-visible{outline:none;box-shadow:var(--shadow-ring)}.ch-btn:active:not(:disabled){transform:translateY(.5px) scale(.992)}.ch-btn:disabled{opacity:.45;cursor:not-allowed}.ch-btn--sm{height:30px;padding:0 var(--space-3);font-size:var(--text-sm)}.ch-btn--md{height:38px;padding:0 var(--space-4);font-size:var(--text-base)}.ch-btn--lg{height:46px;padding:0 var(--space-5);font-size:var(--text-md)}.ch-btn--block{width:100%}.ch-btn--primary{background:var(--color-accent);color:var(--on-accent)}.ch-btn--primary:hover:not(:disabled){background:var(--color-accent-hover)}.ch-btn--primary:active:not(:disabled){background:var(--color-accent-active)}.ch-btn--secondary{background:var(--bg-surface);color:var(--text-primary);border-color:var(--border-default)}.ch-btn--secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-strong)}.ch-btn--ghost{background:transparent;color:var(--text-secondary)}.ch-btn--ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.ch-btn--accentSoft{background:var(--color-accent-subtle);color:var(--color-accent-text)}.ch-btn--accentSoft:hover:not(:disabled){background:color-mix(in oklab,var(--color-accent-subtle) 80%,var(--color-accent))}.ch-btn--danger{background:var(--color-danger);color:#fff}.ch-btn--danger:hover:not(:disabled){background:color-mix(in oklab,var(--color-danger) 88%,black)}.ch-btn__icon{display:inline-flex;width:1.05em;height:1.05em;flex:none}.ch-btn__icon svg{width:100%;height:100%}.ch-iconbtn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-md);transition:var(--transition-colors),transform var(--duration-instant) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.ch-iconbtn:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.ch-iconbtn:active:not(:disabled){transform:scale(.93)}.ch-iconbtn:focus-visible{outline:none;box-shadow:var(--shadow-ring)}.ch-iconbtn:disabled{opacity:.4;cursor:not-allowed}.ch-iconbtn--sm{width:30px;height:30px}.ch-iconbtn--md{width:38px;height:38px}.ch-iconbtn--lg{width:46px;height:46px}.ch-iconbtn--solid{background:var(--color-accent);color:var(--on-accent)}.ch-iconbtn--solid:hover:not(:disabled){background:var(--color-accent-hover);color:var(--on-accent)}.ch-iconbtn--outline{border-color:var(--border-default)}.ch-iconbtn svg{width:1.15em;height:1.15em}.ch-field{display:flex;flex-direction:column;gap:var(--space-2)}.ch-field__label{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);letter-spacing:var(--tracking-tight)}.ch-field__hint{font-size:var(--text-xs);color:var(--text-tertiary)}.ch-field__hint--error{color:var(--color-danger)}.ch-input,.ch-textarea,.ch-select{width:100%;font-family:var(--font-sans);font-size:var(--text-base);color:var(--text-primary);background:var(--bg-sunken);border:1px solid var(--border-default);border-radius:var(--radius-md);transition:var(--transition-colors),box-shadow var(--duration-fast) var(--ease-out)}.ch-input,.ch-select{height:38px;padding:0 var(--space-3)}.ch-textarea{padding:var(--space-3);line-height:var(--leading-normal);resize:vertical;min-height:84px}.ch-input::placeholder,.ch-textarea::placeholder{color:var(--text-tertiary)}.ch-input:hover,.ch-textarea:hover,.ch-select:hover{background:var(--bg-active)}.ch-input:focus,.ch-textarea:focus,.ch-select:focus{outline:none;background:var(--bg-surface);border-color:var(--border-accent);box-shadow:var(--shadow-ring)}.ch-input:disabled,.ch-textarea:disabled,.ch-select:disabled{background:var(--bg-sunken);color:var(--text-disabled);cursor:not-allowed}.ch-input[aria-invalid=true],.ch-textarea[aria-invalid=true]{border-color:var(--color-danger)}.ch-input[aria-invalid=true]:focus,.ch-textarea[aria-invalid=true]:focus{box-shadow:0 0 0 3px color-mix(in oklab,var(--color-danger) 30%,transparent)}.ch-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:var(--space-8);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2374747f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-3) center}.ch-input-group{position:relative;display:flex;align-items:center}.ch-input-group__icon{position:absolute;left:var(--space-3);display:inline-flex;color:var(--text-tertiary);pointer-events:none}.ch-input-group__icon svg{width:17px;height:17px}.ch-input-group .ch-input{padding-left:2.25rem}.ch-check{display:inline-flex;align-items:center;gap:var(--space-3);cursor:pointer;-webkit-user-select:none;user-select:none}.ch-check input{position:absolute;opacity:0;width:0;height:0}.ch-check__box{width:18px;height:18px;flex:none;border-radius:50%;border:1.5px solid var(--color-accent);background:transparent;display:inline-flex;align-items:center;justify-content:center;color:var(--on-accent);transition:var(--transition-colors),box-shadow var(--duration-fast) var(--ease-out)}.ch-check__box svg{width:18px;height:18px;opacity:0;transform:scale(.6);transition:opacity var(--duration-fast),transform var(--duration-fast) var(--ease-out);color:var(--color-accent)}.ch-check input:checked+.ch-check__box{background:transparent;border:none}.ch-check input:checked+.ch-check__box svg{opacity:1;transform:scale(1)}.ch-check input:focus-visible+.ch-check__box{box-shadow:var(--shadow-ring)}.ch-check input:disabled+.ch-check__box{opacity:.45}.ch-check__label{font-size:var(--text-base);color:var(--text-primary)}.ch-switch{display:inline-flex;align-items:center;gap:var(--space-3);cursor:pointer;-webkit-user-select:none;user-select:none}.ch-switch input{position:absolute;opacity:0;width:0;height:0}.ch-switch__track{width:38px;height:22px;flex:none;border-radius:var(--radius-full);background:var(--neutral-300);padding:2px;transition:background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-fast)}[data-theme=dark] .ch-switch__track{background:var(--neutral-700)}.ch-switch__thumb{width:18px;height:18px;border-radius:var(--radius-full);background:#fff;box-shadow:var(--shadow-sm);transition:transform var(--duration-base) var(--ease-out)}.ch-switch input:checked+.ch-switch__track{background:var(--color-accent)}.ch-switch input:checked+.ch-switch__track .ch-switch__thumb{transform:translate(16px)}.ch-switch input:focus-visible+.ch-switch__track{box-shadow:var(--shadow-ring)}.ch-switch input:disabled+.ch-switch__track{opacity:.45}.ch-badge{display:inline-flex;align-items:center;gap:5px;font-size:var(--text-xs);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);padding:2px var(--space-2);border-radius:var(--radius-sm);border:1px solid transparent;line-height:1.4}.ch-badge--neutral{background:var(--bg-sunken);color:var(--text-secondary);border-color:var(--border-subtle)}.ch-badge--accent{background:var(--color-accent-subtle);color:var(--color-accent-text)}.ch-badge--success{background:var(--color-success-subtle);color:color-mix(in oklab,var(--color-success) 78%,var(--text-primary))}.ch-badge--warning{background:var(--color-warning-subtle);color:color-mix(in oklab,var(--color-warning) 70%,var(--text-primary))}.ch-badge--danger{background:var(--color-danger-subtle);color:color-mix(in oklab,var(--color-danger) 78%,var(--text-primary))}.ch-badge__dot{width:6px;height:6px;border-radius:var(--radius-full);background:currentColor}.ch-tag{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:var(--weight-medium);padding:3px var(--space-2) 3px var(--space-3);border-radius:var(--radius-full);background:var(--bg-sunken);color:var(--text-secondary);border:1px solid var(--border-subtle)}.ch-tag__close{display:inline-flex;border:none;background:transparent;cursor:pointer;color:var(--text-tertiary);padding:2px;border-radius:var(--radius-full);transition:var(--transition-colors)}.ch-tag__close:hover{background:var(--bg-active);color:var(--text-primary)}.ch-tag__close svg{width:13px;height:13px}.ch-avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;overflow:hidden;border-radius:var(--radius-full);background:var(--color-accent-subtle);color:var(--color-accent-text);font-family:var(--font-display);font-weight:var(--display-semibold);letter-spacing:.01em;-webkit-user-select:none;user-select:none}.ch-avatar img{width:100%;height:100%;object-fit:cover}.ch-avatar--xs{width:24px;height:24px;font-size:10px}.ch-avatar--sm{width:32px;height:32px;font-size:12px}.ch-avatar--md{width:40px;height:40px;font-size:14px}.ch-avatar--lg{width:56px;height:56px;font-size:19px}.ch-card{background:var(--bg-surface);border:1px solid transparent;border-radius:var(--radius-lg);transition:border-color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.ch-card--pad{padding:var(--space-5)}.ch-card--raised{box-shadow:none;background:var(--bg-surface)}.ch-card--outlined{border-color:var(--border-default)}.ch-card--interactive{cursor:pointer}.ch-card--interactive:hover{background:var(--bg-hover)}.ch-card--interactive:active{transform:translateY(.5px)}.ch-card--active{background:var(--color-accent-subtle);box-shadow:inset 3px 0 0 var(--color-accent)}.ch-segmented{display:inline-flex;padding:3px;gap:2px;background:var(--bg-sunken);border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.ch-segmented__item{border:none;background:transparent;cursor:pointer;font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);padding:5px var(--space-3);border-radius:var(--radius-sm);transition:var(--transition-colors);display:inline-flex;align-items:center;gap:var(--space-2)}.ch-segmented__item:hover{color:var(--text-primary)}.ch-segmented__item[aria-pressed=true],.ch-segmented__item[aria-selected=true]{background:var(--bg-surface);color:var(--text-primary);box-shadow:inset 0 0 0 1px var(--border-default)}.ch-segmented__item svg{width:15px;height:15px}.ch-swatch{width:26px;height:26px;border-radius:var(--radius-full);border:2px solid transparent;cursor:pointer;padding:0;position:relative;transition:transform var(--duration-fast) var(--ease-out);box-shadow:inset 0 0 0 1px #00000014}.ch-swatch:hover{transform:scale(1.08)}.ch-swatch[aria-pressed=true]{border-color:var(--bg-surface);box-shadow:0 0 0 2px var(--text-primary)}.ch-dropdown{position:relative;display:inline-flex}.ch-dropdown__trigger{display:inline-flex;align-items:center;gap:var(--space-2);height:34px;padding:0 var(--space-2) 0 var(--space-3);background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-medium);cursor:pointer;transition:var(--transition-colors),box-shadow var(--duration-fast)}.ch-dropdown__trigger:hover{border-color:var(--border-strong)}.ch-dropdown__trigger:focus-visible{outline:none;box-shadow:var(--shadow-ring);border-color:var(--border-accent)}.ch-dropdown__trigger svg{color:var(--text-secondary)}.ch-dropdown__chev{margin-left:2px;transition:transform var(--duration-fast) var(--ease-out)}.ch-dropdown[data-open=true] .ch-dropdown__chev{transform:rotate(180deg)}.ch-menu{position:absolute;z-index:70;min-width:192px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-1);margin-top:6px;animation:ch-menu-in var(--duration-fast) var(--ease-out);max-height:320px;overflow-y:auto}.ch-menu--up{bottom:calc(100% + 6px);margin-top:0}@keyframes ch-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.ch-menu__item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-2) var(--space-3);border:none;background:transparent;font-family:var(--font-sans);font-size:var(--text-sm);color:var(--text-primary);text-align:left;cursor:pointer;border-radius:var(--radius-sm);transition:background-color var(--duration-fast)}.ch-menu__item:hover,.ch-menu__item[aria-selected=true]{background:var(--bg-hover)}.ch-menu__item svg{color:var(--text-secondary);flex:none}.ch-menu__item[aria-selected=true] svg{color:var(--color-accent)}.ch-menu__item .ch-menu__check{margin-left:auto;color:var(--color-accent);opacity:0}.ch-menu__item[aria-selected=true] .ch-menu__check{opacity:1}.ch-menu__sep{height:1px;background:var(--border-subtle);margin:var(--space-1) 0}.ch-menu__overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:69}