.rkc-button{box-sizing:border-box;border:1px solid var(--rkc-line-strong);border-radius:var(--rkc-radius-control);background:var(--rkc-panel-soft);min-width:40px;min-height:40px;color:var(--rkc-text);cursor:pointer;transition:transform var(--rkc-fast) var(--rkc-ease), background var(--rkc-fast), border-color var(--rkc-fast), opacity var(--rkc-fast);justify-content:center;align-items:center;padding:0 14px;font-size:.875rem;font-weight:700;line-height:1;display:inline-flex;position:relative}.rkc-button:hover:not([data-disabled]):not([data-loading]){border-color:var(--rkc-text);transform:translateY(-1px)}.rkc-button:focus-visible{outline:3px solid color-mix(in srgb, var(--rkc-cyan) 45%, transparent);outline-offset:2px}.rkc-button[data-disabled],.rkc-button:disabled{cursor:not-allowed;opacity:.45}.rkc-button[data-loading]{cursor:progress}.rkc-button[data-loading] .rkc-button__content{visibility:hidden}.rkc-button--primary{border-color:var(--rkc-text);background:var(--rkc-text);color:var(--rkc-frame)}.rkc-button--secondary{border-color:var(--rkc-line-strong);background:var(--rkc-panel-soft);color:var(--rkc-text)}.rkc-button--accent{background:var(--rkc-green);color:#07120d;border-color:#18aa55}.rkc-button--ghost{color:var(--rkc-muted);background:0 0;border-color:#0000}.rkc-button--danger{border-color:color-mix(in srgb, var(--rkc-pink) 48%, var(--rkc-line-strong));background:color-mix(in srgb, var(--rkc-pink) 12%, var(--rkc-panel-solid));color:var(--rkc-pink)}.rkc-button--block{width:100%}.rkc-button--icon{box-sizing:border-box;border-radius:50%;flex:0 0 40px;width:40px;min-width:40px;max-width:40px;height:40px;min-height:40px;max-height:40px;padding:0;overflow:hidden}.rkc-button--micro{border-radius:8px;min-width:0;min-height:28px;padding:0 9px;font-size:.75rem}.rkc-button--sm{min-height:32px;padding-inline:10px}.rkc-button--lg{min-height:48px;padding-inline:18px;font-size:.875rem}.rkc-button--icon.rkc-button--sm{flex-basis:32px;width:32px;min-width:32px;max-width:32px;height:32px;min-height:32px;max-height:32px;padding:0}.rkc-button--icon.rkc-button--md{padding:0}.rkc-button--icon.rkc-button--lg{flex-basis:48px;width:48px;min-width:48px;max-width:48px;height:48px;min-height:48px;max-height:48px;padding:0}.rkc-button__content{justify-content:center;align-items:center;gap:7px;display:inline-flex}.rkc-button__loading{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.rkc-button__spinner{box-sizing:border-box;border:2px solid;border-right-color:#0000;border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.7s linear infinite rkc-spin}@keyframes rkc-spin{to{transform:rotate(360deg)}}.rkc-surface{border:1px solid var(--rkc-line);border-radius:var(--rkc-radius-card);color:var(--rkc-text)}.rkc-surface--panel{background:var(--rkc-panel-solid);box-shadow:var(--rkc-shadow-card)}.rkc-surface--soft{background:var(--rkc-panel-soft)}.rkc-surface--solid{background:var(--rkc-panel-solid);box-shadow:var(--rkc-shadow-card)}.rkc-surface--glass{background:var(--rkc-glass);-webkit-backdrop-filter:blur(18px)saturate(125%);backdrop-filter:blur(18px)saturate(125%)}.rkc-surface--gradient-focus{background:linear-gradient(var(--rkc-panel-solid), var(--rkc-panel-solid)) padding-box, var(--rkc-gradient-focus) border-box;border-color:#0000}.rkc-surface--padding-none{padding:0}.rkc-surface--padding-sm{padding:12px}.rkc-surface--padding-md{padding:16px}.rkc-surface--padding-lg{padding:24px}