/* ============================================================
   tools-page.css - 万能工具（Tools）专属样式
   仅包含页面特有样式，通用组件已移至 qistoolkit3-page.css
   ============================================================ */

/* --- 页面标题 --- */
.tools-main h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    border-bottom: 2px solid rgba(52, 152, 219, 0.15);
    padding-bottom: 12px;
}

.tools-main h2 a {
    color: #3498db;
    transition: color 0.3s ease;
}

.tools-main h2 a:hover {
    color: #5dade2;
}

body.light-theme .tools-main h2 a {
    color: #2980b9;
}

body.light-theme .tools-main h2 a:hover {
    color: #3498db;
}

/* --- 三层容器 --- */
.tools-layer-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 10px 0 20px;
}

/* --- 每一层 --- */
.tools-layer {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    padding: 20px 22px 22px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.tools-layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tools-layer:hover::before {
    opacity: 1;
}

.tools-layer:hover {
    border-color: rgba(52, 152, 219, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

body.light-theme .tools-layer {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.04);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

body.light-theme .tools-layer:hover {
    border-color: rgba(41, 128, 185, 0.12);
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.06);
}

/* --- 已弃用层级特殊样式 --- */
.tools-layer.deprecated-layer {
    background: rgba(255, 200, 200, 0.03);
    border-color: rgba(255, 100, 100, 0.08);
}

.tools-layer.deprecated-layer:hover {
    border-color: rgba(255, 100, 100, 0.15);
}

body.light-theme .tools-layer.deprecated-layer {
    background: rgba(255, 240, 240, 0.5);
    border-color: rgba(255, 100, 100, 0.1);
}

/* --- 层级头部 --- */
.layer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

body.light-theme .layer-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.layer-icon {
    font-size: 1.6rem;
    line-height: 1;
}

.layer-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: #b0d4f0;
}

body.light-theme .layer-header h3 {
    color: #2c3e50;
}

.layer-badge {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 14px;
    border-radius: 30px;
    background: rgba(139, 195, 74, 0.12);
    color: #8bc34a;
    border: 1px solid rgba(139, 195, 74, 0.06);
    margin-left: auto;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.layer-badge.advanced {
    background: rgba(241, 196, 15, 0.12);
    color: #f0c27a;
    border-color: rgba(241, 196, 15, 0.06);
}

.layer-badge.fun {
    background: rgba(155, 89, 182, 0.12);
    color: #bb8fce;
    border-color: rgba(155, 89, 182, 0.06);
}

.layer-badge.deprecated {
    background: rgba(255, 100, 100, 0.12);
    color: #e74c3c;
    border-color: rgba(255, 100, 100, 0.06);
}

.layer-badge.external {
    background: rgba(52, 152, 219, 0.12);
    color: #64b5f6;
    border-color: rgba(52, 152, 219, 0.06);
}

body.light-theme .layer-badge {
    background: rgba(139, 195, 74, 0.06);
    color: #558b2f;
}

body.light-theme .layer-badge.advanced {
    background: rgba(241, 196, 15, 0.06);
    color: #b7950b;
}

body.light-theme .layer-badge.fun {
    background: rgba(155, 89, 182, 0.06);
    color: #7b4a8b;
}

body.light-theme .layer-badge.deprecated {
    background: rgba(255, 100, 100, 0.06);
    color: #c0392b;
}

body.light-theme .layer-badge.external {
    background: rgba(41, 128, 185, 0.06);
    color: #2980b9;
}

/* --- 子层级 (原创工具内部分组) --- */
.tools-sub-layer {
    margin-top: 14px;
    padding: 12px 14px 14px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border-left: 3px solid rgba(52, 152, 219, 0.1);
    transition: border-color 0.3s ease;
}

.tools-sub-layer:hover {
    border-left-color: rgba(52, 152, 219, 0.25);
}

body.light-theme .tools-sub-layer {
    background: rgba(0, 0, 0, 0.01);
    border-left-color: rgba(41, 128, 185, 0.08);
}

body.light-theme .tools-sub-layer:hover {
    border-left-color: rgba(41, 128, 185, 0.2);
}

.tools-sub-layer:first-child {
    margin-top: 0;
}

.sub-layer-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.sub-icon {
    font-size: 1.1rem;
}

.sub-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #b0d4f0;
}

body.light-theme .sub-title {
    color: #34495e;
}

.sub-badge {
    font-size: 0.55rem;
    font-weight: 500;
    padding: 1px 10px;
    border-radius: 30px;
    background: rgba(139, 195, 74, 0.08);
    color: #8bc34a;
    border: 1px solid rgba(139, 195, 74, 0.04);
    margin-left: auto;
}

.sub-badge.advanced {
    background: rgba(241, 196, 15, 0.08);
    color: #f0c27a;
    border-color: rgba(241, 196, 15, 0.04);
}

.sub-badge.fun {
    background: rgba(155, 89, 182, 0.08);
    color: #bb8fce;
    border-color: rgba(155, 89, 182, 0.04);
}

body.light-theme .sub-badge {
    background: rgba(139, 195, 74, 0.05);
    color: #558b2f;
}

body.light-theme .sub-badge.advanced {
    background: rgba(241, 196, 15, 0.05);
    color: #b7950b;
}

body.light-theme .sub-badge.fun {
    background: rgba(155, 89, 182, 0.05);
    color: #7b4a8b;
}

/* --- 工具网格 --- */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
}

/* --- 单个工具卡片 --- */
.tool-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: #c8d8e8;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.tool-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tool-item:hover::before {
    opacity: 1;
}

.tool-item:hover {
    transform: translateY(-3px) scale(1.02);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(52, 152, 219, 0.15);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
    color: #ffffff;
}

body.light-theme .tool-item {
    color: #333;
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.04);
}

body.light-theme .tool-item:hover {
    background: rgba(41, 128, 185, 0.04);
    border-color: rgba(41, 128, 185, 0.12);
    color: #1a1a1a;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}

.tool-item .tool-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    opacity: 0.8;
    transition: transform 0.3s ease;
}

.tool-item:hover .tool-icon {
    transform: scale(1.15) rotate(-4deg);
    opacity: 1;
}

.tool-item .tool-name {
    font-size: 0.85rem;
    font-weight: 500;
    flex: 1;
    line-height: 1.3;
}

.tool-item .tool-arrow {
    font-size: 0.85rem;
    opacity: 0.15;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.tool-item:hover .tool-arrow {
    opacity: 1;
    transform: translateX(6px);
}

/* --- 已弃用工具卡片 --- */
.tool-item.deprecated-item {
    opacity: 0.6;
}

.tool-item.deprecated-item:hover {
    opacity: 0.85;
}

.deprecated-tag {
    font-size: 0.55rem;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 12px;
    background: rgba(255, 100, 100, 0.15);
    color: #e74c3c;
    margin-left: 4px;
}

.deprecated-tag.half {
    background: rgba(241, 196, 15, 0.15);
    color: #f0c27a;
}

body.light-theme .deprecated-tag {
    background: rgba(255, 100, 100, 0.08);
    color: #c0392b;
}

body.light-theme .deprecated-tag.half {
    background: rgba(241, 196, 15, 0.08);
    color: #b7950b;
}

/* --- 外部链接工具卡片 --- */
.tool-item.external-link {
    border-color: rgba(52, 152, 219, 0.06);
}

.tool-item.external-link:hover {
    border-color: rgba(52, 152, 219, 0.2);
}

.external-tag {
    font-size: 0.5rem;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 12px;
    background: rgba(52, 152, 219, 0.1);
    color: #64b5f6;
    margin-left: 4px;
    white-space: nowrap;
}

body.light-theme .external-tag {
    background: rgba(41, 128, 185, 0.06);
    color: #2980b9;
}

/* --- 响应式 --- */
@media (max-width: 700px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
        gap: 6px;
    }

    .tool-item {
        padding: 8px 12px;
    }

    .tool-item .tool-name {
        font-size: 0.78rem;
    }

    .tool-item .tool-icon {
        font-size: 1rem;
    }

    .tools-layer {
        padding: 16px 16px 18px;
    }

    .tools-sub-layer {
        padding: 10px 12px 12px;
    }

    .layer-header h3 {
        font-size: 1.05rem;
    }

    .layer-badge {
        font-size: 0.5rem;
        padding: 1px 10px;
    }

    .tools-main h2 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr 1fr;
        gap: 5px;
    }

    .tool-item {
        padding: 7px 10px;
        border-radius: 8px;
    }

    .tool-item .tool-name {
        font-size: 0.72rem;
    }

    .tool-item .tool-icon {
        font-size: 0.95rem;
    }

    .tools-layer {
        padding: 12px 12px 14px;
        border-radius: 12px;
    }

    .tools-sub-layer {
        padding: 8px 10px 10px;
        border-radius: 8px;
    }

    .sub-title {
        font-size: 0.82rem;
    }

    .layer-header h3 {
        font-size: 0.95rem;
    }

    .layer-icon {
        font-size: 1.3rem;
    }

    .tools-main h2 {
        font-size: 1.2rem;
    }

    .external-tag,
    .deprecated-tag {
        font-size: 0.45rem;
        padding: 0 6px;
    }
}

@media (max-width: 360px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-item .tool-name {
        font-size: 0.82rem;
    }
}

/* --- 辅助信息微调 --- */
.tools-legal {
    margin-top: 16px;
    padding: 14px 24px;
}

.tools-legal kbd {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    padding: 1px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: monospace;
    color: #8bc4f0;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

body.light-theme .tools-legal kbd {
    background: rgba(0, 0, 0, 0.06);
    color: #2980b9;
    border-color: rgba(0, 0, 0, 0.06);
}