/* ============================================================
   工具集模块 — 专属样式
   依赖：global.css（主题变量）+ poetry.css（基础布局变量）
   作用域：.content-area 内的工具模块元素
   ============================================================ */

/* ---- Hero 卡片 ---- */
.tools-hero-card {
    text-align: center;
    padding: 32px 24px;
    margin-bottom: 24px;
}
.tools-hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.tools-hero-icon {
    font-size: 48px;
    line-height: 1;
}
.tools-hero-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--ui-text, #2a2a2a);
    margin: 0;
}
.tools-hero-subtitle {
    font-size: 13px;
    color: var(--ui-text-dim, #6b7280);
    margin: 0;
}

/* ---- 分类区段 ---- */
.tools-category-section {
    margin-bottom: 28px;
}
.tools-category-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
.tools-cat-icon {
    font-size: 20px;
}
.tools-cat-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--ui-text, #2a2a2a);
    margin: 0;
}
.tools-cat-count {
    font-size: 12px;
    color: var(--ui-text-dim, #9ca3af);
}

/* ---- 工具卡片网格 ---- */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}
.tools-grid-small {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.tool-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 12px;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
}
.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
.tool-card-icon {
    font-size: 24px;
    flex-shrink: 0;
}
.tool-card-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}
.tool-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ui-text, #2a2a2a);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tool-card-slug {
    font-size: 11px;
    color: var(--ui-text-dim, #9ca3af);
    font-family: monospace;
}

.tool-card-small {
    flex-direction: column;
    text-align: center;
    gap: 6px;
    padding: 12px;
}
.tool-card-small .tool-card-name {
    font-size: 13px;
}

/* ---- 面包屑 ---- */
.tool-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ui-text-dim, #6b7280);
    margin-bottom: 16px;
}
.tool-breadcrumb-link {
    color: var(--sidebar-btn-color, #8a6a9a);
    text-decoration: none;
    transition: color 0.2s;
}
.tool-breadcrumb-link:hover {
    color: var(--sidebar-btn-hover-color, #9b6bff);
}
.tool-breadcrumb-sep {
    color: var(--ui-text-dim, #d1d5db);
}
.tool-breadcrumb-current {
    color: var(--ui-text, #2a2a2a);
    font-weight: 500;
}

/* ---- 工具页头部 ---- */
.tool-page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-radius: 12px;
    margin-bottom: 20px;
}
.tool-page-icon {
    font-size: 36px;
    flex-shrink: 0;
}
.tool-page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ui-text, #2a2a2a);
    margin: 0 0 4px;
}
.tool-page-desc {
    font-size: 13px;
    color: var(--ui-text-dim, #6b7280);
    margin: 0;
}

/* ---- 工具页主体 ---- */
.tool-page-body {
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

/* ---- 输入/输出区 ---- */
.tool-io {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.tool-io-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tool-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--ui-text, #2a2a2a);
}
.tool-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--ui-border, rgba(0,0,0,0.10));
    border-radius: 8px;
    background: var(--ui-solid-bg, rgba(255,255,255,0.60));
    color: var(--ui-text, #2a2a2a);
    font-size: 14px;
    font-family: inherit;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.tool-textarea:focus {
    border-color: var(--sidebar-btn-color, #8a6a9a);
}
.tool-textarea[readonly] {
    background: var(--ui-solid-bg, rgba(0,0,0,0.03));
}
.tool-input {
    padding: 10px 14px;
    border: 1px solid var(--ui-border, rgba(0,0,0,0.10));
    border-radius: 8px;
    background: var(--ui-solid-bg, rgba(255,255,255,0.60));
    color: var(--ui-text, #2a2a2a);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.tool-input:focus {
    border-color: var(--sidebar-btn-color, #8a6a9a);
}

/* ---- 按钮 ---- */
.tool-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tool-btn {
    padding: 8px 18px;
    border: 1px solid var(--sidebar-btn-color, #8a6a9a);
    border-radius: 8px;
    background: transparent;
    color: var(--sidebar-btn-color, #8a6a9a);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.2s, background 0.2s, transform 0.15s;
    -webkit-appearance: none;
    appearance: none;
}
.tool-btn:hover {
    color: var(--sidebar-btn-hover-color, #9b6bff);
    border-color: var(--sidebar-btn-hover-color, #9b6bff);
}
.tool-btn:active {
    transform: scale(0.96);
}
.tool-btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}
.tool-btn-sec {
    border-color: var(--ui-border, rgba(0,0,0,0.10));
    color: var(--ui-text-dim, #6b7280);
}

/* ---- 统计卡片 ---- */
.tool-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 12px;
}
.tool-stat-card {
    text-align: center;
    padding: 16px 8px;
    border-radius: 10px;
    background: var(--ui-solid-bg, rgba(255,255,255,0.60));
    border: 1px solid var(--ui-border, rgba(0,0,0,0.06));
}
.tool-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--sidebar-btn-color, #8a6a9a);
}
.tool-stat-label {
    font-size: 12px;
    color: var(--ui-text-dim, #6b7280);
    margin-top: 4px;
}

/* ---- 滑块 ---- */
.tool-slider-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.tool-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--ui-border, rgba(0,0,0,0.10));
    outline: none;
}
.tool-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--sidebar-btn-color, #8a6a9a);
    cursor: pointer;
}
.tool-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--sidebar-btn-color, #8a6a9a);
    cursor: pointer;
    border: none;
}
.tool-slider-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--ui-text, #2a2a2a);
    min-width: 30px;
    text-align: right;
}

/* ---- 复选框组 ---- */
.tool-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.tool-checkbox {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--ui-text, #2a2a2a);
    cursor: pointer;
}
.tool-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--sidebar-btn-color, #8a6a9a);
    cursor: pointer;
}

/* ---- 结果区 ---- */
.tool-result-box {
    padding: 14px;
    border: 1px solid var(--ui-border, rgba(0,0,0,0.06));
    border-radius: 8px;
    background: var(--ui-solid-bg, rgba(0,0,0,0.02));
    min-height: 50px;
    font-size: 14px;
    color: var(--ui-text, #2a2a2a);
    overflow-x: auto;
}
.tool-result-placeholder {
    color: var(--ui-text-dim, #9ca3af);
    font-size: 13px;
}
.tool-result-error {
    color: #f44336;
    font-size: 13px;
}
.tool-result-empty {
    color: var(--ui-text-dim, #9ca3af);
}
.tool-status {
    font-size: 12px;
    display: block;
    margin-top: 4px;
}

/* ---- 正则匹配高亮 ---- */
.tool-regex-match {
    background: rgba(255, 235, 59, 0.5);
    padding: 1px 2px;
    border-radius: 2px;
}
.tool-regex-count {
    margin-top: 8px;
    font-size: 13px;
    color: var(--sidebar-btn-color, #8a6a9a);
    font-weight: 600;
}
.tool-regex-groups {
    margin-top: 10px;
    font-size: 12px;
}
.tool-regex-group-item {
    padding: 4px 0;
    border-bottom: 1px solid var(--ui-border, rgba(0,0,0,0.04));
}
.tool-regex-group {
    color: var(--ui-text-dim, #6b7280);
    margin-left: 8px;
}

/* ---- 正则输入行 ---- */
.tool-regex-row {
    display: flex;
    align-items: center;
    gap: 4px;
}
.tool-regex-slash {
    font-size: 20px;
    color: var(--ui-text-dim, #6b7280);
    font-family: monospace;
}

/* ---- 时间戳工具 ---- */
.tool-ts-now {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.tool-ts-now-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 120px;
    padding: 12px;
    border-radius: 8px;
    background: var(--ui-solid-bg, rgba(0,0,0,0.02));
    border: 1px solid var(--ui-border, rgba(0,0,0,0.06));
}
.tool-ts-label {
    font-size: 11px;
    color: var(--ui-text-dim, #9ca3af);
}
.tool-ts-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--sidebar-btn-color, #8a6a9a);
    font-family: monospace;
}
.tool-ts-divider {
    font-size: 14px;
    font-weight: 600;
    color: var(--ui-text, #2a2a2a);
    margin-top: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--ui-border, rgba(0,0,0,0.06));
}
.tool-ts-row {
    display: flex;
    gap: 8px;
}
.tool-ts-result {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tool-ts-result span {
    font-size: 13px;
}
.tool-ts-result b {
    color: var(--sidebar-btn-color, #8a6a9a);
    font-family: monospace;
}

/* ---- 密码强度 ---- */
.tool-pw-strength {
    font-size: 12px;
    margin-top: 4px;
}

/* ---- 相关工具区 ---- */
.tool-related {
    margin-bottom: 24px;
}
.tool-related-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ui-text, #2a2a2a);
    margin: 0 0 12px;
}

/* ---- 移动端 ---- */
@media (max-width: 640px) {
    .tools-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .tool-card {
        padding: 12px;
        gap: 8px;
    }
    .tool-card-icon {
        font-size: 20px;
    }
    .tool-card-name {
        font-size: 13px;
    }
    .tool-page-header {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }
    .tool-page-body {
        padding: 16px;
    }
    .tool-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .tool-ts-now {
        flex-direction: column;
    }
}