/* 设置页面样式 */

/* 页面背景层 */
.custom-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    transition: opacity 0.5s ease;
}

.custom-bg.blur {
    filter: blur(8px);
}

/* 设置页面头部 */
.settings-header {
    padding-top: 20px;
}

.settings-description {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* 设置区块 */
.settings-section {
    margin-bottom: 30px;
    animation: fadeInScale 0.5s ease-out both;
}

.settings-section:nth-child(1) { animation-delay: 0.1s; }
.settings-section:nth-child(2) { animation-delay: 0.2s; }
.settings-section:nth-child(3) { animation-delay: 0.3s; }

.settings-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.settings-title svg {
    width: 22px;
    height: 22px;
}

/* 设置卡片 */
.settings-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.settings-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(94, 234, 212, 0.1);
}

/* 设置项 */
.setting-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.setting-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.setting-info p {
    font-size: 13px;
    color: var(--text-muted);
}

/* 背景输入组 */
.background-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.background-input-group .input-wrapper {
    flex: 1;
    position: relative;
}

.background-input-group .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.background-input-group input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border-radius: 10px;
    border: 1.5px solid var(--input-border, rgba(94, 234, 212, 0.15));
    background: var(--input-bg, rgba(17, 28, 27, 0.6));
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

.background-input-group input:focus {
    border-color: var(--primary);
    background: var(--input-bg-focus, rgba(17, 28, 27, 0.9));
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.1);
}

.background-input-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

/* 设置按钮 */
.setting-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
}

.setting-btn svg {
    width: 16px;
    height: 16px;
}

.setting-btn.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg);
}

.setting-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(94, 234, 212, 0.4);
}

.setting-btn.secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.setting-btn.secondary:hover {
    background: rgba(94, 234, 212, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* 背景预览 */
.background-preview {
    width: 100%;
    height: 150px;
    border-radius: 12px;
    border: 2px dashed var(--border);
    overflow: hidden;
    margin-bottom: 16px;
    background-size: cover;
    background-position: center;
    transition: all 0.3s ease;
}

.background-preview.has-image {
    border-style: solid;
    border-color: var(--primary);
}

.preview-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 8px;
}

.preview-placeholder svg {
    width: 32px;
    height: 32px;
    opacity: 0.5;
}

.preview-placeholder span {
    font-size: 13px;
}

/* 背景操作按钮 */
.background-actions {
    display: flex;
    gap: 12px;
}

/* 预设区域头部 */
.preset-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.1) 0%, rgba(45, 212, 191, 0.05) 100%);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 12px;
}

.preset-section-header:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.15) 0%, rgba(45, 212, 191, 0.1) 100%);
}

.preset-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.preset-header-title svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.preset-header-title span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.preset-count {
    font-size: 11px !important;
    font-weight: 500 !important;
    color: var(--primary) !important;
    background: rgba(94, 234, 212, 0.15);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 4px;
}

.preset-toggle-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.preset-section-header.collapsed .preset-toggle-icon {
    transform: rotate(-90deg);
}

/* 预设网格容器 */
.preset-grid-container {
    overflow: hidden;
    transition: all 0.3s ease;
}

.preset-grid-container.collapsed {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}

/* 预设背景网格 - 更紧凑 */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.preset-loading,
.preset-error {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: var(--text-muted);
    gap: 10px;
}

.preset-loading svg,
.preset-error svg {
    width: 24px;
    height: 24px;
}

.preset-loading svg.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 预设项 - 更小的卡片 */
.preset-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    background: var(--card);
}

.preset-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(94, 234, 212, 0.25);
    border-color: rgba(94, 234, 212, 0.3);
}

.preset-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(94, 234, 212, 0.4), 0 4px 15px rgba(94, 234, 212, 0.3);
}

.preset-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.preset-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.preset-item:hover .preset-image img {
    transform: scale(1.08);
}

/* 科技风格选中效果 - 底部勾选图标 */
.preset-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 32px;
    background: linear-gradient(to top, rgba(94, 234, 212, 0.95), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
    padding-bottom: 6px;
}

.preset-item.selected .preset-overlay {
    opacity: 1;
}

.preset-overlay svg {
    width: 16px;
    height: 16px;
    color: var(--bg);
    filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.3));
}

/* 科技风格角标 */
.preset-item.selected::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 16px 16px 0;
    border-color: transparent var(--primary) transparent transparent;
    z-index: 2;
}

/* 自定义背景折叠区域 */
.custom-bg-section {
    margin-bottom: 16px;
}

.custom-bg-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: rgba(94, 234, 212, 0.05);
    border: 1px dashed var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-bg-toggle:hover {
    background: rgba(94, 234, 212, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.custom-bg-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.custom-bg-toggle.expanded svg {
    transform: rotate(180deg);
}

.custom-bg-content {
    margin-top: 12px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 登录状态 */
.login-status {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(94, 234, 212, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.status-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-icon svg {
    width: 24px;
    height: 24px;
    color: var(--bg);
}

.status-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.status-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.login-status.logged-in .status-icon {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

/* 登录操作 */
.login-actions {
    display: flex;
    gap: 12px;
}

/* 切换开关 */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border);
    border-radius: 26px;
    transition: all 0.3s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--text);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: var(--bg);
}

/* 提示消息 */
.settings-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--card);
    color: var(--text);
    padding: 14px 28px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    font-size: 14px;
    font-weight: 500;
    z-index: 1001;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

.settings-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 滑块设置项 */
.setting-item.slider-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.opacity-slider {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.opacity-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(94, 234, 212, 0.5);
}

.opacity-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.opacity-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(94, 234, 212, 0.5);
}

.slider-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    min-width: 45px;
    text-align: right;
}

.settings-toast.success {
    border-color: var(--primary);
}

.settings-toast.error {
    border-color: #f87171;
}

/* 移动端悬浮按钮 */
@media (max-width: 800px) {
    .mobile-floating-btns {
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1000;
        display: flex;
        gap: 10px;
    }

    .mobile-float-btn {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--card);
        border: 1px solid var(--border);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        text-decoration: none;
    }

    .mobile-float-btn:hover {
        background: var(--primary);
        color: var(--bg);
        transform: scale(1.05);
    }

    .mobile-float-btn svg {
        width: 20px;
        height: 20px;
    }
}

/* 桌面端隐藏移动端悬浮按钮 */
@media (min-width: 801px) {
    .mobile-floating-btns {
        display: none;
    }
}

/* 响应式适配 */
@media (max-width: 1200px) {
    .preset-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .preset-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 800px) {
    .preset-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .background-input-group {
        flex-direction: column;
    }
    
    .background-input-group .setting-btn {
        width: 100%;
    }
    
    .background-actions {
        flex-direction: column;
    }
    
    .background-actions .setting-btn {
        width: 100%;
    }
    
    .login-actions {
        flex-direction: column;
    }
    
    .login-actions .setting-btn {
        width: 100%;
    }
    
    .settings-card {
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .preset-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    
    .preset-info {
        padding: 4px 6px;
    }
    
    .preset-name {
        font-size: 10px;
    }
    
    .preset-desc {
        font-size: 8px;
    }
}

@media (max-width: 480px) {
    .preset-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    
    .setting-item.toggle-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .login-status {
        flex-direction: column;
        text-align: center;
    }
    
    .preset-section-header {
        padding: 10px 12px;
    }
    
    .preset-header-title span {
        font-size: 13px;
    }
}