/* ===== 工具列表页(/tools) ===== */

/* 列表 Hero */
.tools-hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 56px;
    background:
        radial-gradient(900px 460px at 16% -10%, #e8f0ff 0%, transparent 60%),
        radial-gradient(820px 420px at 86% 4%, #e6fbff 0%, transparent 55%),
        linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
    text-align: center;
}

.tools-hero h1 {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
    background: linear-gradient(120deg, #0a1a3a 0%, #1a1f36 40%, #0066ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tools-hero .lead {
    font-size: 17px;
    color: var(--c-text-sub);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

/* 搜索 + 筛选 */
.tools-controls {
    max-width: 720px;
    margin: 0 auto;
}

.search-box {
    position: relative;
    margin-bottom: 24px;
}

.search-box .icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 17px;
    color: var(--c-text-muted);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    font-size: 15px;
    font-family: var(--font);
    color: var(--c-text);
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.search-box input:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.12);
}

.search-box input::placeholder { color: var(--c-text-muted); }

.filter-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.filter-pill {
    padding: 9px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text-sub);
    background: #fff;
    border: 1px solid var(--c-border);
    transition: all 0.2s ease;
    cursor: pointer;
}

.filter-pill:hover {
    color: var(--c-text);
    border-color: #d4dbe8;
    transform: translateY(-1px);
}

.filter-pill.active {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
    box-shadow: 0 6px 16px rgba(0, 102, 255, 0.3);
}

/* 结果计数 */
.tools-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 10px;
}

.tools-count {
    font-size: 14px;
    color: var(--c-text-muted);
}

.tools-count b { color: var(--c-text); font-weight: 700; }

/* 列表卡片网格 */
.tools-section { padding: 24px 0 80px; }

.tools-grid.is-list {
    /* 复用 home.css 的 .tools-grid，列表页用同样的 3 列 */
    grid-template-columns: repeat(3, 1fr);
}

/* “免费”角标 */
.tag-free {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    background: #e6fbef;
    color: var(--c-accent-green);
    z-index: 2;
}

/* 卡片同时有 tag(角标)和免费标时，免费标放左上 */
.tool-card.has-tag .tag-free { top: 18px; left: 18px; right: auto; }

/* 空状态(默认隐藏，由 JS 加 .is-visible 显示) */
.tools-empty {
    display: none;
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 24px;
    color: var(--c-text-muted);
}
.tools-empty.is-visible { display: block; }

.tools-empty .emoji {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.tools-empty p { font-size: 15px; }

/* 隐藏被过滤的卡片 */
.tool-card.is-hidden { display: none; }

/* ===== 深色模式适配 ===== */
:root[data-theme="dark"] .tools-hero {
    background:
        radial-gradient(900px 460px at 16% -10%, rgba(59, 130, 246, 0.10) 0%, transparent 60%),
        radial-gradient(820px 420px at 86% 4%, rgba(6, 182, 212, 0.09) 0%, transparent 55%),
        linear-gradient(180deg, #0b1221 0%, #0e1628 100%);
}
:root[data-theme="dark"] .tools-hero h1 {
    background: linear-gradient(120deg, #f1f5f9 0%, #cbd5e1 40%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
:root[data-theme="dark"] .search-box input {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--c-border);
}
:root[data-theme="dark"] .search-box input:focus {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.16);
}
:root[data-theme="dark"] .filter-pill {
    background: var(--c-bg-soft);
    border-color: var(--c-border);
}
:root[data-theme="dark"] .filter-pill:hover {
    color: var(--c-text);
    border-color: rgba(255, 255, 255, 0.22);
}
:root[data-theme="dark"] .tag-free { background: rgba(16, 185, 129, 0.14); }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
    .tools-hero h1 { font-size: 34px; }
    .tools-grid.is-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .tools-hero { padding: 64px 0 40px; }
    .tools-hero h1 { font-size: 28px; }
    .tools-grid.is-list { grid-template-columns: 1fr; }
}

/* ===== 分组浏览（v3）：分类大区块 + 每行 3 卡片 ===== */
/* home.css 中 .tools-grid 是 4 列 grid，JS 重组后分组须占满整行 */
[data-tools-grid] {
    display: block;
}

.tool-group {
    margin-bottom: 56px;
}

.tool-group-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 22px;
}

.tool-group-info {
    min-width: 0;
}

.tool-group-title {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 6px;
    letter-spacing: .3px;
}

.tool-group-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
}

.tool-group-more {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: #2563eb;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    padding: 6px 0;
    transition: color .2s;
}

.tool-group-more:hover {
    color: #1d4ed8;
}

.tool-group.is-group-hidden { display: none; }

/* 最近使用 */
.tool-group.is-recent .tool-card { border-style: dashed; }
.tool-group.is-recent .tool-group-title { color: #4f46e5; }

/* 行容器：每行 3 个卡片 */
body .tool-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* 大卡片：横向布局，左 icon 右内容 */
body .tool-row .tool-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 18px;
    padding: 22px;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    background: #fff;
    min-height: 156px;
    transition: transform .18s, box-shadow .18s, border-color .18s;
}

body .tool-row .tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(15, 23, 42, .08);
    border-color: #cbd5e1;
}

body .tool-row .tool-card .tool-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    font-size: 32px;
    border-radius: 16px;
    margin: 0;
}

body .tool-card-main {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
}

.tool-card-main h3 {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.3;
}

.tool-card-main p {
    font-size: 13px;
    color: #475569;
    line-height: 1.65;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-card-main .tool-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.tool-card-main .tool-meta {
    font-size: 12px;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card-main .tool-go {
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 参考图里没有单个「免费」标签，顶部已说明全部免费 */
.tool-card .tag-free { display: none; }

/* 右上标签保持 */
.tool-card .tool-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
}

/* 搜索高亮 */
.tool-card h3 mark {
    background: #fef08a;
    color: #92400e;
    border-radius: 3px;
    padding: 0 2px;
}

/* hidden 属性兜底，防止 display 规则覆盖 */
[hidden] { display: none !important; }

/* 视图切换条 */
.tools-view-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    font-size: 13px;
}

.view-current {
    font-weight: 700;
    color: #1e40af;
}

.view-back {
    margin-left: auto;
    border: none;
    background: #fff;
    color: #2563eb;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .05);
}

.view-back:hover { background: #dbeafe; }

/* 响应式 */
@media (max-width: 1100px) {
    .tool-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
    .tool-row { grid-template-columns: 1fr; }
    .tool-group-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .tool-group-title { font-size: 20px; }
    .tool-row .tool-card { padding: 18px; gap: 14px; min-height: auto; }
    .tool-row .tool-card .tool-icon { width: 52px; height: 52px; font-size: 26px; border-radius: 12px; }
    .tool-card-main h3 { font-size: 16px; }
}

/* 深色模式分组 */
::root[data-theme="dark"] .tool-group-title { color: #e2e8f0; }
::root[data-theme="dark"] .tool-group-desc { color: #94a3b8; }
::root[data-theme="dark"] .tool-group-more { color: #60a5fa; }
::root[data-theme="dark"] .tool-group-more:hover { color: #93c5fd; }
::root[data-theme="dark"] .tool-row .tool-card {
    background: #131c31;
    border-color: #1e2a4a;
}
::root[data-theme="dark"] .tool-row .tool-card:hover {
    border-color: #334155;
    box-shadow: 0 14px 36px rgba(0, 0, 0, .25);
}
::root[data-theme="dark"] .tool-card-main h3 { color: #e2e8f0; }
::root[data-theme="dark"] .tool-card-main p { color: #94a3b8; }
::root[data-theme="dark"] .tool-card-main .tool-meta { color: #64748b; }
::root[data-theme="dark"] .tool-card-main .tool-go { color: #60a5fa; }
::root[data-theme="dark"] .tools-view-bar { background: #1e2a4a; border-color: #334155; }
::root[data-theme="dark"] .view-current { color: #93c5fd; }
::root[data-theme="dark"] .view-back { background: #0f172a; color: #93c5fd; }
::root[data-theme="dark"] .view-back:hover { background: #1e2a4a; }
::root[data-theme="dark"] .tool-card h3 mark {
    background: #854d0e;
    color: #fef9c3;
}