/* 工具箱与通用速算器页样式（纯 CSS，不依赖 Tailwind JIT，便于独立维护）
   深色模式沿用项目约定：html.dark 下覆盖。 */

/* ====== 搜索框 ====== */
.tool-search-wrap {
    position: relative;
    margin-bottom: 12px;
}

.tool-search-wrap .tool-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 13px;
}

.tool-search {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 13px;
    background: #f9fafb;
    outline: none;
    transition: border-color .2s, background .2s;
}

.tool-search:focus {
    border-color: #1e40af;
    background: #fff;
}

/* ====== 分组 ====== */
.tool-group {
    margin-bottom: 14px;
}

.tool-group-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.tool-group-title {
    font-size: 13px;
    font-weight: 700;
    color: #1f2937;
}

.tool-group-desc {
    font-size: 11px;
    color: #9ca3af;
}

.tool-grid-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

@media (min-width: 768px) {
    .tool-grid-1 {
        grid-template-columns: 1fr 1fr;
    }
}

/* ====== 工具条目 ====== */
.tool-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid #eef0f3;
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: box-shadow .2s, border-color .2s, transform .15s;
}

.tool-entry:hover {
    border-color: #c7d7fb;
    box-shadow: 0 6px 14px -6px rgba(30, 64, 175, .25);
    transform: translateY(-1px);
}

.tool-entry-icon {
    flex: 0 0 34px;
    height: 34px;
    border-radius: 9px;
    background: rgba(30, 64, 175, .08);
    color: #1e40af;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.tool-entry-body {
    flex: 1 1 auto;
    min-width: 0;
}

.tool-entry-title {
    font-size: 13px;
    font-weight: 600;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.tool-entry-desc {
    font-size: 11px;
    color: #6b7280;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tool-entry-arrow {
    color: #d1d5db;
    font-size: 15px;
}

/* ====== 徽标 ====== */
.tool-badge {
    font-size: 10px;
    line-height: 1.4;
    padding: 1px 6px;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
}

.tool-badge-deep {
    background: rgba(30, 64, 175, .1);
    color: #1e40af;
}

.tool-badge-native {
    background: rgba(16, 185, 129, .12);
    color: #047857;
}

.tool-badge-seo {
    background: #f3f4f6;
    color: #6b7280;
}

.tool-badge-ok {
    background: rgba(16, 185, 129, .12);
    color: #047857;
}

.tool-badge-warn {
    background: rgba(245, 158, 11, .14);
    color: #b45309;
}

.tool-badge-danger {
    background: rgba(239, 68, 68, .12);
    color: #b91c1c;
}

.tool-empty {
    padding: 18px 12px;
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
}

/* ====== 速算器表单 ====== */
.tool-field {
    margin-bottom: 12px;
}

.tool-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 4px;
}

.tool-input-wrap {
    position: relative;
}

.tool-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    background: #fff;
    color: #1f2937;
    transition: border-color .2s, box-shadow .2s;
}

.tool-input:focus {
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, .12);
}

.tool-input-unit {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: #9ca3af;
    pointer-events: none;
}

.tool-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #374151;
}

.tool-field-hint {
    margin-top: 4px;
    font-size: 11px;
    color: #9ca3af;
    line-height: 1.5;
}

/* ====== 结果区 ====== */
.tool-result-primary {
    padding: 14px 16px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
}

.tool-result-primary-label {
    font-size: 12px;
    opacity: .85;
}

.tool-result-primary-value {
    font-size: 24px;
    font-weight: 800;
    margin-top: 2px;
    letter-spacing: .5px;
}

.tool-result-rows {
    margin-top: 10px;
}

.tool-result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px dashed #eef0f3;
    font-size: 13px;
}

.tool-result-row:last-child {
    border-bottom: none;
}

.tool-result-label {
    color: #6b7280;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.tool-result-hint {
    color: #d1d5db;
    cursor: help;
}

.tool-result-value {
    font-weight: 700;
    color: #1f2937;
}

.tool-result-note {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: #f9fafb;
    font-size: 11.5px;
    line-height: 1.7;
    color: #6b7280;
}

/* ====== 易错口径 ====== */
.tool-pitfall-head {
    font-size: 12px;
    font-weight: 700;
    color: #b45309;
    margin-bottom: 6px;
}

.tool-pitfall ul {
    margin: 0;
    padding-left: 18px;
}

.tool-pitfall li {
    font-size: 12px;
    line-height: 1.8;
    color: #6b7280;
}

/* ====== 分组图标（工具页「完整测算」组复用 tool-group-head） ====== */
.tool-group-icon {
    color: #1e40af;
    font-size: 12px;
    position: relative;
    top: -1px;
}

/* ====== 首页「最近使用」列表 ====== */
.tool-entry-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

@media (min-width: 640px) {
    .tool-entry-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ====== 首页搜索入口（看起来是搜索框，点开进工具页并聚焦） ====== */
.tool-search-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: border-color .2s, box-shadow .2s;
}

.tool-search-entry:hover {
    border-color: #c7d7fb;
    box-shadow: 0 6px 14px -6px rgba(30, 64, 175, .25);
}

.tool-search-entry-icon {
    color: #9ca3af;
    font-size: 13px;
}

.tool-search-entry-text {
    flex: 1 1 auto;
    font-size: 13px;
    color: #9ca3af;
}

.tool-search-entry-count {
    font-size: 11px;
    font-weight: 600;
    color: #1e40af;
    white-space: nowrap;
}

/* ====== 首页「我是谁」场景卡 ====== */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

@media (min-width: 768px) {
    .scenario-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .scenario-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

.scenario-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 10px 12px;
    border: 1px solid #eef0f3;
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    text-align: left;
    transition: border-color .2s, box-shadow .2s, transform .15s;
}

.scenario-card:hover {
    border-color: #c7d7fb;
    box-shadow: 0 6px 14px -6px rgba(30, 64, 175, .25);
    transform: translateY(-1px);
}

.scenario-card .fa {
    font-size: 15px;
    color: #1e40af;
    margin-bottom: 2px;
}

.scenario-name {
    font-size: 13px;
    font-weight: 700;
    color: #1f2937;
}

.scenario-desc {
    font-size: 11px;
    color: #6b7280;
    line-height: 1.4;
}

/* ====== 工具页：按身份筛选的提示条 ====== */
.tool-scenario-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(30, 64, 175, .07);
    font-size: 12px;
    color: #1e40af;
}

.tool-chip-clear {
    font-size: 12px;
    font-weight: 600;
    color: #1e40af;
    white-space: nowrap;
}

/* ====== 结果页「下一步」====== */
.tool-next-head {
    font-size: 12px;
    font-weight: 700;
    color: #374151;
    margin-bottom: 6px;
}

.tool-next-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

@media (min-width: 640px) {
    .tool-next-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.tool-next-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid #eef0f3;
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    font-size: 12.5px;
    color: #374151;
    text-align: left;
    transition: border-color .2s, box-shadow .2s;
}

.tool-next-item:hover {
    border-color: #c7d7fb;
    box-shadow: 0 6px 14px -6px rgba(30, 64, 175, .25);
}

.tool-next-item .fa:first-child {
    color: #1e40af;
}

.tool-next-item .fa:last-child {
    margin-left: auto;
    color: #d1d5db;
}

.tool-next-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tool-next-btn {
    padding: 7px 14px;
    border: 1px solid #c7d7fb;
    border-radius: 8px;
    background: #fff;
    color: #1e40af;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}

.tool-next-btn:hover {
    background: rgba(30, 64, 175, .06);
}

.tool-next-btn:disabled {
    color: #047857;
    border-color: #a7f3d0;
    cursor: default;
}

/* ====== 底部 Tab 栏（只在顶层页显示） ====== */
.bottom-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    display: flex;
    border-top: 1px solid #e5e7eb;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-tab {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 7px 0 6px;
    border: none;
    background: transparent;
    color: #9ca3af;
    font-size: 11px;
    cursor: pointer;
}

.bottom-tab .fa {
    font-size: 17px;
}

.bottom-tab.active {
    color: #1e40af;
}

/* Tab 栏显示时为页面留出底部空间（避免遮住最后一张卡片） */
body.has-tabbar #mode-selection-page .max-w-5xl,
body.has-tabbar #tools-page .max-w-3xl {
    padding-bottom: 64px;
}

/* ====== 深色模式 ====== */
.dark .tool-search {
    background: #1f2937;
    border-color: #374151;
    color: #e5e7eb;
}

.dark .tool-group-title,
.dark .tool-entry-title,
.dark .tool-result-value,
.dark .tool-label {
    color: #e5e7eb;
}

.dark .tool-entry {
    background: #1f2937;
    border-color: #374151;
}

.dark .tool-entry:hover {
    border-color: #3b82f6;
}

.dark .tool-entry-desc,
.dark .tool-result-label,
.dark .tool-field-hint,
.dark .tool-pitfall li {
    color: #9ca3af;
}

.dark .tool-entry-icon {
    background: rgba(59, 130, 246, .15);
    color: #60a5fa;
}

.dark .tool-result-row {
    border-bottom-color: #374151;
}

.dark .tool-result-note {
    background: #111827;
    color: #9ca3af;
}

.dark .tool-input {
    background: #111827;
    border-color: #374151;
    color: #e5e7eb;
}

.dark .tool-badge-seo {
    background: #374151;
    color: #d1d5db;
}

.dark .tool-group-icon {
    color: #60a5fa;
}

.dark .tool-search-entry,
.dark .scenario-card,
.dark .tool-next-item {
    background: #1f2937;
    border-color: #374151;
}

.dark .tool-search-entry:hover,
.dark .scenario-card:hover,
.dark .tool-next-item:hover {
    border-color: #3b82f6;
}

.dark .scenario-name,
.dark .tool-next-head {
    color: #e5e7eb;
}

.dark .scenario-desc,
.dark .tool-search-entry-text {
    color: #9ca3af;
}

.dark .scenario-card .fa,
.dark .tool-next-item .fa:first-child,
.dark .tool-search-entry-count {
    color: #60a5fa;
}

.dark .tool-next-item {
    color: #d1d5db;
}

.dark .tool-next-btn {
    background: #1f2937;
    border-color: #3b82f6;
    color: #60a5fa;
}

.dark .tool-scenario-chip {
    background: rgba(59, 130, 246, .14);
    color: #93c5fd;
}

.dark .tool-chip-clear {
    color: #93c5fd;
}

.dark .bottom-tabbar {
    background: rgba(17, 24, 39, .96);
    border-top-color: #374151;
}

.dark .bottom-tab.active {
    color: #60a5fa;
}