/* --- 全局与基础样式 --- */
html {
    scroll-behavior: smooth;
}

:focus-visible {
    outline: 2px solid #FBBF24; /* yellow-400 */
    outline-offset: 2px;
}
:focus {
    outline: none;
}

/* --- 卡片通用样式 --- */
.card-link-wrapper {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.card-link-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}

/* --- 模态框过渡效果 --- */
#add-link-modal {
    transition: opacity 0.3s ease;
}

/* --- 卡片操作按钮 (编辑/删除) --- */
.card-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}
.card-link-wrapper:hover .card-actions {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.card-action-btn {
    background-color: rgba(41, 41, 41, 0.8);
    backdrop-filter: blur(5px);
    color: white;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.2s ease, background-color 0.2s ease;
    z-index: 10;
}
.card-action-btn:hover {
    transform: scale(1.15);
}
.card-action-btn.delete:hover {
    background-color: #EF4444; /* red-500 */
}
.card-action-btn.edit:hover {
    background-color: #3B82F6; /* blue-500 */
}
.card-action-btn svg {
    width: 16px;
    height: 16px;
}

/* --- 图标选择器样式 --- */
.icon-option {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #374151; /* gray-700 */
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    border: 2px solid transparent;
}
.icon-option:hover {
    background-color: #4B5563; /* gray-600 */
    transform: scale(1.1);
}
.icon-option.selected {
    border-color: #FBBF24; /* yellow-400 */
    background-color: #4B5563; /* gray-600 */
    transform: scale(1.05);
}
.icon-option img, .icon-option svg {
    width: 24px;
    height: 24px;
    color: #D1D5DB; /* gray-300 */
}