.btn-white{box-shadow:var(--shadow-sm);background-color:var(--surface)!important;border-color:var(--border)!important;color:var(--text-primary)!important;transition:all var(--transition)!important}.btn-white:hover:not(:disabled){transform:translateY(-1px);background-color:var(--surface-hover)!important;border-color:var(--text-muted)!important;color:var(--text-primary)!important;box-shadow:var(--shadow-md)!important}.btn-white:active:not(:disabled){box-shadow:var(--shadow-sm)!important;transform:translateY(0)!important}.btn-ghost{color:var(--text-primary)!important;transition:all var(--transition)!important;background-color:#0000!important;border-color:#0000!important}.btn-ghost:hover:not(:disabled){transform:translateY(-1px);background-color:var(--surface-secondary)!important;border-color:var(--border)!important;color:var(--text-primary)!important}.btn-ghost:active:not(:disabled){transform:translateY(0)!important}body.ui-glass .btn-white{background:var(--glass-bg)!important;border-color:var(--glass-border)!important;-webkit-backdrop-filter:blur(8px)!important;box-shadow:0 2px 12px #00000014!important}body.ui-glass .btn-ghost{background:var(--glass-bg)!important;-webkit-backdrop-filter:blur(8px)!important}body.ui-neumorphism .btn-white{background:var(--surface)!important;box-shadow:var(--neu-out)!important;border:none!important;transform:none!important}body.ui-neumorphism .btn-white:active{box-shadow:var(--neu-in)!important}body.ui-neumorphism .btn-ghost{background:var(--surface)!important;box-shadow:var(--neu-out)!important;border:none!important}body.ui-neumorphism .btn-ghost:active{box-shadow:var(--neu-in)!important}.btn-loading{pointer-events:none;position:relative}.btn-loading>*{opacity:.7}.btn-spinner{vertical-align:text-bottom;border:2px solid;border-right-color:#0000;border-radius:50%;flex-shrink:0;width:1em;height:1em;animation:.75s linear infinite btn-spin;display:inline-block}@keyframes btn-spin{to{transform:rotate(360deg)}}