/**
 * Button Component - 玻璃态设计风格
 * 支持变体系统: variant + size
 * 更新: 2026-01-16 - 增强悬停交互和动画效果
 */

/* ===== 基础按钮样式 ===== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  outline: none;
  border: none;
}

.button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.button:hover:not(:disabled) {
  transform: scale(1.02);
}

.button:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.button svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.button:hover:not(:disabled) svg {
  transform: scale(1.05);
}

/* ===== 变体 (Variants) ===== */

/* Default - 主要按钮 */
.button[data-variant="default"],
.button:not([data-variant]) {
  background: var(--primary);
  color: var(--primary-foreground);
}

.button[data-variant="default"]:hover:not(:disabled),
.button:not([data-variant]):hover:not(:disabled) {
  background: hsl(0 0% 15%);
}

/* Secondary - 次要按钮 */
.button[data-variant="secondary"] {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.button[data-variant="secondary"]:hover:not(:disabled) {
  background: var(--accent);
}

/* Outline - 边框按钮 */
.button[data-variant="outline"] {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--foreground);
}

.button[data-variant="outline"]:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--border);
}

/* Ghost - 幽灵按钮 */
.button[data-variant="ghost"] {
  background: transparent;
  color: var(--foreground);
}

.button[data-variant="ghost"]:hover:not(:disabled) {
  background: var(--accent);
}

/* Destructive - 危险按钮 */
.button[data-variant="destructive"] {
  background: var(--destructive);
  color: var(--destructive-foreground);
}

.button[data-variant="destructive"]:hover:not(:disabled) {
  background: hsl(0 84% 55%);
}

/* Link - 链接按钮 */
.button[data-variant="link"] {
  background: transparent;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.button[data-variant="link"]:hover:not(:disabled) {
  text-decoration: underline;
}

/* ===== 尺寸 (Sizes) ===== */

/* Default size */
.button[data-size="default"],
.button:not([data-size]) {
  height: 2.5rem;
  padding: 0 1rem;
}

/* Small */
.button[data-size="sm"] {
  height: 2.25rem;
  padding: 0 0.75rem;
  font-size: 0.8125rem;
}

/* Large */
.button[data-size="lg"] {
  height: 2.75rem;
  padding: 0 1.5rem;
  font-size: 1rem;
}

/* Icon only */
.button[data-size="icon"] {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

.button[data-size="icon-sm"] {
  width: 2rem;
  height: 2rem;
  padding: 0;
}

.button[data-size="icon-lg"] {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
}

/* ===== 兼容旧类名 ===== */

/* btn-primary -> button[data-variant="default"] */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-primary:hover:not(:disabled) {
  background: hsl(0 0% 15%);
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-primary:hover:not(:disabled) svg {
  transform: scale(1.05);
}

/* btn-secondary -> button[data-variant="outline"] */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--muted);
  color: var(--foreground);
  border-color: hsl(240 5% 26%);
  transform: scale(1.02);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-secondary:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-secondary svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-secondary:hover:not(:disabled) svg {
  transform: scale(1.05);
}

/* btn-primary-sm */
.btn-primary-sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
}

.btn-primary-sm:hover:not(:disabled) {
  background: hsl(0 0% 15%);
}

.btn-primary-sm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* btn-secondary-sm */
.btn-secondary-sm {
  padding: 0.5rem 1rem;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
}

.btn-secondary-sm:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
}

/* btn-danger */
.btn-danger {
  padding: 0.625rem 1.25rem;
  background: var(--destructive);
  border: none;
  border-radius: var(--radius);
  color: var(--destructive-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
}

.btn-danger:hover:not(:disabled) {
  background: hsl(0 84% 55%);
}

.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* btn-danger-outline */
.btn-danger-outline {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--destructive);
  border-radius: var(--radius);
  color: var(--destructive);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
}

.btn-danger-outline:hover:not(:disabled) {
  background: hsl(0 84% 60% / 0.1);
}

/* btn-link */
.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast, 150ms);
}

.btn-link:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
}

.btn-link:disabled {
  color: var(--muted-foreground);
  cursor: not-allowed;
}

/* btn-icon */
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--muted);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-icon:hover:not(:disabled) {
  background: var(--card);
  border-color: var(--primary);
  color: var(--foreground);
  transform: scale(1.05);
}

.btn-icon:active:not(:disabled) {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.btn-icon svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-icon:hover:not(:disabled) svg {
  transform: scale(1.1);
}

/* btn-icon-sm */
.btn-icon-sm {
  background: none;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: color var(--transition-fast, 150ms), background var(--transition-fast, 150ms);
}

.btn-icon-sm:hover:not(:disabled) {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.1);
}

.btn-icon-sm:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* btn-icon-xs */
.btn-icon-xs {
  width: 1.375rem;
  height: 1.375rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast, 150ms);
}

.btn-icon-xs:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
}

/* btn-copy */
.btn-copy {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.375rem 0.75rem;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast, 150ms);
}

.btn-copy:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
}

.btn-copy.copied {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.btn-copy svg {
  width: 0.875rem;
  height: 0.875rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* btn-copy-inline */
.btn-copy-inline {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.375rem 0.625rem;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  font-size: 0.6875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast, 150ms);
}

.btn-copy-inline:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
}

.btn-copy-inline.copied {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

/* action-btn */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
  outline: none;
  white-space: nowrap;
}

.action-btn:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
  border-color: hsl(240 5% 26%);
}

.action-btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.action-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.action-btn svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

/* btn-daemon */
.btn-daemon {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--muted-foreground);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast, 150ms);
}

.btn-daemon:hover:not(:disabled) {
  background: var(--muted);
  border-color: var(--primary);
  color: var(--foreground);
}

.btn-daemon:active:not(:disabled) {
  transform: scale(0.96);
}

.btn-daemon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-daemon .btn-icon {
  font-size: 0.625rem;
  width: auto;
  height: auto;
  border: none;
  background: none;
}

.btn-daemon .btn-text {
  font-weight: 500;
}

.btn-daemon.btn-danger:hover:not(:disabled) {
  background: hsl(0 84% 60% / 0.15);
  border-color: var(--destructive);
  color: var(--destructive);
}

/* ===== 玻璃态按钮变体 - 增强版 ===== */

/* btn-glass - 基础玻璃态按钮 */
.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.08));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border-hover, rgba(255, 255, 255, 0.2));
  border-radius: var(--radius);
  color: var(--foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-glass:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.btn-glass:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-glass:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-glass:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-glass svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass:hover:not(:disabled) svg {
  transform: scale(1.1);
}

/* btn-glass-sm - 小型玻璃态按钮 */
.btn-glass-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--glass-bg, rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius);
  color: var(--foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-glass-sm:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--glass-border-hover, rgba(255, 255, 255, 0.2));
  transform: scale(1.02);
}

.btn-glass-sm:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-glass-sm svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass-sm:hover:not(:disabled) svg {
  transform: scale(1.1);
}

/* btn-glass-secondary - 次要玻璃态按钮 */
.btn-glass-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--glass-bg, rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-glass-secondary:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--glass-border-hover, rgba(255, 255, 255, 0.2));
  color: var(--foreground);
  transform: scale(1.02);
}

.btn-glass-secondary:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-glass-secondary svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass-secondary:hover:not(:disabled) svg {
  transform: scale(1.1);
}

/* btn-glass-icon - 玻璃态图标按钮 */
.btn-glass-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: var(--glass-bg, rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-glass-icon:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--glass-border-hover, rgba(255, 255, 255, 0.2));
  color: var(--foreground);
  transform: scale(1.05);
}

.btn-glass-icon:active:not(:disabled) {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.btn-glass-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass-icon:hover:not(:disabled) svg {
  transform: scale(1.15);
}

/* btn-glass-icon-sm - 小型玻璃态图标按钮 */
.btn-glass-icon-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  background: var(--glass-bg, rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius-sm);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-glass-icon-sm:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--glass-border-hover, rgba(255, 255, 255, 0.2));
  color: var(--foreground);
  transform: scale(1.05);
}

.btn-glass-icon-sm:active:not(:disabled) {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.btn-glass-icon-sm svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass-icon-sm:hover:not(:disabled) svg {
  transform: scale(1.15);
}

/* btn-glass-primary - 主要玻璃态按钮 (带主题色发光) */
.btn-glass-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  color: var(--foreground);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-glass-primary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.btn-glass-primary:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

.btn-glass-primary svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform 0.2s ease;
}

.btn-glass-primary:hover:not(:disabled) svg {
  transform: scale(1.1);
}

/* btn-glass-success - 成功玻璃态按钮 */
.btn-glass-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--success-bg, hsl(142 76% 36% / 0.2));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--success-border, hsl(142 76% 36% / 0.3));
  border-radius: var(--radius);
  color: var(--success-text, hsl(142 76% 60%));
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-glass-success:hover:not(:disabled) {
  background: hsl(142 76% 36% / 0.3);
  border-color: hsl(142 76% 36% / 0.5);
  transform: scale(1.02);
  box-shadow: 0 0 20px hsl(142 76% 36% / 0.3);
}

.btn-glass-success:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

/* btn-glass-danger - 危险玻璃态按钮 */
.btn-glass-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--error-bg, hsl(0 84% 60% / 0.2));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--error-border, hsl(0 84% 60% / 0.3));
  border-radius: var(--radius);
  color: var(--error-text, hsl(0 84% 70%));
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  outline: none;
}

.btn-glass-danger:hover:not(:disabled) {
  background: hsl(0 84% 60% / 0.3);
  border-color: hsl(0 84% 60% / 0.5);
  transform: scale(1.02);
  box-shadow: 0 0 20px hsl(0 84% 60% / 0.3);
}

.btn-glass-danger:active:not(:disabled) {
  transform: scale(0.96);
  transition: transform 0.1s ease;
}

/* ===== 浅色主题样式 - 颜色反转 ===== */

/* btn-primary 悬停 - 浅色主题 */
body:not(.dark) .btn-primary:hover:not(:disabled) {
  background: hsl(0 0% 85%);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}

/* btn-link 悬停 - 浅色主题 */
body:not(.dark) .btn-link:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.1);
}

/* btn-icon-sm 悬停 - 浅色主题 */
body:not(.dark) .btn-icon-sm:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.1);
}

/* btn-glass 基础 - 浅色主题 */
body:not(.dark) .btn-glass {
  background: var(--glass-bg-hover, rgba(0, 0, 0, 0.08));
  border: 1px solid var(--glass-border-hover, rgba(0, 0, 0, 0.2));
}

body:not(.dark) .btn-glass:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.15);
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* btn-glass-sm - 浅色主题 */
body:not(.dark) .btn-glass-sm {
  background: var(--glass-bg, rgba(0, 0, 0, 0.03));
  border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
}

body:not(.dark) .btn-glass-sm:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(0, 0, 0, 0.08));
  border-color: var(--glass-border-hover, rgba(0, 0, 0, 0.2));
}

/* btn-glass-secondary - 浅色主题 */
body:not(.dark) .btn-glass-secondary {
  background: var(--glass-bg, rgba(0, 0, 0, 0.03));
  border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
}

body:not(.dark) .btn-glass-secondary:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(0, 0, 0, 0.08));
  border-color: var(--glass-border-hover, rgba(0, 0, 0, 0.2));
}

/* btn-glass-icon - 浅色主题 */
body:not(.dark) .btn-glass-icon {
  background: var(--glass-bg, rgba(0, 0, 0, 0.03));
  border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
}

body:not(.dark) .btn-glass-icon:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(0, 0, 0, 0.08));
  border-color: var(--glass-border-hover, rgba(0, 0, 0, 0.2));
}

/* btn-glass-icon-sm - 浅色主题 */
body:not(.dark) .btn-glass-icon-sm {
  background: var(--glass-bg, rgba(0, 0, 0, 0.03));
  border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
}

body:not(.dark) .btn-glass-icon-sm:hover:not(:disabled) {
  background: var(--glass-bg-hover, rgba(0, 0, 0, 0.08));
  border-color: var(--glass-border-hover, rgba(0, 0, 0, 0.2));
}

/* btn-glass-primary - 浅色主题 */
body:not(.dark) .btn-glass-primary {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.2);
}

body:not(.dark) .btn-glass-primary:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}