/* =========================================
   Windwex Toolbox Page
   统一 Tech Desk 视觉与交互
   ========================================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* 统一与书单页的顶部对齐，去掉 Body 注入的默认 padding */
body.page-template.page-toolbox {
    padding-top: 0 !important;
}

.toolbox-page {
    --toolbox-nav-gap: clamp(1.05rem, 1.3vw, 1.85rem);
    --toolbox-control-height: clamp(2.35rem, calc(1vw + 2.1rem), 2.7rem);
    --toolbox-control-font: clamp(var(--text-sm), calc(0.25vw + 0.88rem), var(--text-base));
    --toolbox-accent: var(--tech-primary);
    --toolbox-accent-strong: var(--tech-secondary);
    --toolbox-ghost-border: color-mix(in srgb, var(--toolbox-accent) 70%, transparent);
    width: min(100%, 78rem);
    margin: 0 auto;
    padding: calc(var(--header-height) + var(--toolbox-nav-gap)) var(--space-md) var(--space-4xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

@media (min-width: 64rem) {
    .toolbox-page {
        --toolbox-nav-gap: clamp(1.35rem, calc(0.8vw + 1.1rem), 2.3rem);
        padding: calc(var(--header-height) + var(--toolbox-nav-gap)) var(--space-md) var(--space-4xl);
    }
}

@media (max-width: 64rem) and (min-width: 48rem) {
    .toolbox-page {
        /* 768-1024px 平板尺寸 */
        --toolbox-nav-gap: clamp(1.55rem, calc(1vw + 1.2rem), 2.3rem);
        --toolbox-control-height: clamp(2.45rem, calc(1vw + 2.2rem), 2.85rem);
    }

    .toolbox-controls {
        padding: clamp(0.55rem, calc(0.8vw + 0.35rem), 1.1rem) 0 var(--space-md);
    }
}

@media (max-width: 48rem) {
    .toolbox-page {
        --toolbox-nav-gap: clamp(0.95rem, calc(2.5vw + 0.45rem), 1.6rem);
        --toolbox-control-height: clamp(2.2rem, calc(2vw + 1.95rem), 2.55rem);
        --toolbox-control-font: clamp(0.9rem, calc(0.6vw + 0.82rem), 1rem);
        padding: calc(var(--header-height) + var(--toolbox-nav-gap)) var(--space-md) var(--space-3xl);
    }
}

/* ------------ Controls ------------- */
.toolbox-controls {
    --toolbox-field-padding-x: clamp(1.05rem, calc(1vw + 0.75rem), 1.45rem);
    --toolbox-field-padding-y: clamp(0.65rem, calc(0.5vw + 0.55rem), 0.9rem);
    --toolbox-trigger-padding-x: clamp(0.95rem, calc(1vw + 0.6rem), 1.4rem);
    --toolbox-trigger-padding-y: clamp(0.55rem, calc(0.45vw + 0.45rem), 0.85rem);
    --toolbox-trigger-gap: clamp(0.5rem, calc(0.6vw + 0.25rem), 0.85rem);
    position: relative;
    top: auto;
    z-index: var(--z-sticky);
    background: transparent;
    padding: clamp(0.4rem, 0.6vw, 0.9rem) 0 var(--space-md);
    margin-bottom: var(--space-md);
}

.toolbox-controls__inner {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    flex-wrap: nowrap;
}

.toolbox-search {
    flex: 1 1 auto;
    min-width: 0;
}

.toolbox-search label {
    margin: 0;
}

.toolbox-sort {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
}

.toolbox-search__field {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0;
    border-radius: var(--radius-pill);
    border: none;
    background: transparent;
    box-shadow: none;
    transition: all 0.2s ease;
    margin: 0;
    position: relative;
}

.toolbox-search__field:focus-within {
    box-shadow: none;
}

.toolbox-search__icon {
    color: var(--text-tertiary);
    flex-shrink: 0;
    position: absolute;
    left: var(--toolbox-field-padding-x);
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.toolbox-search__field input {
    flex: 1;
    border: none;
    background: var(--bg-secondary);
    font-size: var(--toolbox-control-font);
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    margin: 0;
    padding: var(--toolbox-field-padding-y) var(--toolbox-field-padding-x);
    padding-left: calc(var(--toolbox-field-padding-x) + 1.75rem);
    min-height: var(--toolbox-control-height);
    -webkit-appearance: none;
    appearance: none;
    border-radius: var(--radius-pill);
    border: 1px solid color-mix(in srgb, var(--border-color) 80%, transparent);
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08);
}

.toolbox-search__field input::-webkit-search-decoration,
.toolbox-search__field input::-webkit-search-cancel-button {
    display: none;
}

.toolbox-search__field input:focus {
    border-color: rgba(var(--tech-primary-rgb), 0.3);
    box-shadow: inset 0 1px 3px rgba(15, 23, 42, 0.1);
    background: var(--bg-secondary);
}

.toolbox-search__field input::placeholder {
    color: var(--text-tertiary);
}

.toolbox-sort {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
}

.toolbox-sort__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: var(--text-sm);
}

.toolbox-sort__select {
    position: relative;
}

[data-sort-label] {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
}

.toolbox-sort__trigger {
    display: inline-flex;
    align-items: center;
    gap: var(--toolbox-trigger-gap);
    padding: var(--toolbox-trigger-padding-y) var(--toolbox-trigger-padding-x);
    min-height: calc(var(--toolbox-control-height) - 0.05rem);
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--border-color);
    background: var(--bg-secondary);
    cursor: pointer;
    font-weight: 600;
    font-size: clamp(var(--text-sm), calc(0.2vw + 0.9rem), var(--toolbox-control-font));
    line-height: 1.25;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.toolbox-sort__trigger:hover {
    border-color: rgba(var(--tech-primary-rgb), 0.3);
    box-shadow: 0 2px 8px rgba(var(--tech-primary-rgb), 0.1);
}

.toolbox-sort__chevron {
    transition: transform var(--transition-fast);
    color: var(--text-tertiary);
}

.toolbox-sort__select.is-open .toolbox-sort__chevron {
    transform: rotate(180deg);
}

.toolbox-sort__menu {
    position: absolute;
    top: calc(100% + var(--space-xs));
    right: 0;
    z-index: var(--z-dropdown, 10);
    list-style: none;
    margin: 0;
    padding: var(--space-xs);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
    min-width: 12rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.toolbox-sort__select.is-open .toolbox-sort__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.toolbox-sort__option {
    width: 100%;
    border: none;
    background: transparent;
    padding: var(--space-sm) var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: nowrap;
    white-space: nowrap;
}

.toolbox-sort__option:hover,
.toolbox-sort__option.is-active {
    background: rgba(var(--tech-primary-rgb), 0.1);
    color: var(--tech-primary);
}

.toolbox-sort__option-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toolbox-sort__option-icon--media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.toolbox-sort__option-label {
    display: inline-flex;
    align-items: center;
    line-height: 1.2;
    white-space: nowrap;
    color: var(--text-secondary);
}

/* 移动端优化 */
@media (max-width: 48rem) {
    .toolbox-controls__inner {
        gap: var(--space-sm);
        padding: 0;
    }

    .toolbox-search__field {
        padding: 0;
    }

    .toolbox-sort {
        justify-content: flex-end;
        margin-top: 0;
    }

    .toolbox-sort__label {
        display: none;
    }

    .toolbox-sort__trigger {
        font-size: var(--toolbox-control-font);
        min-height: calc(var(--toolbox-control-height) - 0.05rem);
    }
}

/* ------------ Main Grid ------------- */
.toolbox-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.toolbox-grid__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    width: 100%;
    padding: var(--space-lg) 0;
}

/* ------------ Category Group ------------- */
.toolbox-category-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
}

.toolbox-category-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border-color);
}

.toolbox-category-icon {
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
}

.toolbox-category-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.toolbox-category-title {
    margin: 0;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.toolbox-category-count {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-pill);
    font-weight: 600;
}

/* ------------ Grid / Cards ------------- */
.tools-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 30rem) {
    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 48rem) {
    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        /* 平板端2列 */
    }
}

@media (min-width: 64rem) {
    .tools-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        /* 桌面端3列 */
        gap: var(--space-xl);
    }
}

@media (min-width: 96rem) {
    .tools-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        /* 超大屏最多4列 */
    }
}

.tool-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: var(--bg-secondary);
    box-shadow:
        0 12px 30px rgba(15, 23, 42, 0.08),
        0 12px 30px rgba(var(--tech-primary-rgb), 0.12);
    backdrop-filter: blur(8px);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    cursor: pointer;
    min-height: 100%;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
    border-color: rgba(var(--tech-secondary-rgb), 0.35);
}

.tool-card.is-active {
    border-color: rgba(var(--tech-primary-rgb), 0.6);
    background: linear-gradient(135deg, rgba(var(--tech-secondary-rgb), 0.12), rgba(var(--tech-secondary-rgb), 0.12));
    box-shadow: 0 0 0 3px rgba(var(--tech-primary-rgb), 0.15), 0 30px 60px rgba(var(--tech-primary-rgb), 0.2);
    position: relative;
}

/* 激活状态的小旗帜标记 */
.tool-card.is-active::before {
    content: '●';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    color: var(--tech-primary);
    font-size: var(--text-sm);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.tool-card__icon {
    flex-shrink: 0;
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-2xl);
    background: transparent;
    border: none;
    display: grid;
    place-items: center;
    font-size: var(--text-2xl);
    box-shadow: none;
}

.tool-card__icon img {
    width: 75%;
    height: 75%;
    object-fit: contain;
}

.icon-emoji {
    font-size: 2rem;
}

.tool-card__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tool-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.tool-card__title-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.tool-card__title {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.2;
}

.tool-card__external {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.tool-card__description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    /* 显示3行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.tool-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: auto;
    /* 固定在底部 */
}

.tool-card__meta {
    display: none;
    /* 隐藏类别标签,因为已按类别分组 */
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-pill);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: 600;
}

.tool-card__flag {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-blue);
    font-weight: 700;
}

.toolbox-empty {
    border-radius: var(--radius-xl);
    border: 1px dashed var(--border-color);
    padding: var(--space-2xl);
    text-align: center;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

/* ------------ Drawer ------------- */
.toolbox-drawer {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    justify-content: flex-end;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.toolbox-drawer.is-open {
    pointer-events: auto;
    opacity: 1;
}

.toolbox-drawer__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 10, 25, 0.2);
    opacity: 0;
    transition: opacity var(--transition-base);
    backdrop-filter: blur(4px);
}

[data-theme='dark'] .toolbox-drawer__backdrop {
    background: rgba(0, 0, 0, 0.25);
}

.toolbox-drawer.is-open .toolbox-drawer__backdrop {
    opacity: 1;
}

@media (prefers-color-scheme: dark) {
    .toolbox-search__field {
        background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
        border-color: color-mix(in srgb, var(--border-color) 60%, transparent);
    }

    .toolbox-search__field input {
        background: color-mix(in srgb, var(--bg-primary) 70%, var(--bg-dark));
        border-color: color-mix(in srgb, var(--border-color) 60%, transparent);
        box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
    }

    .toolbox-search__field input:focus {
        box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.45);
    }

    .toolbox-sort__trigger {
        background: color-mix(in srgb, var(--bg-secondary) 85%, transparent);
        border-color: color-mix(in srgb, var(--border-color) 60%, transparent);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
        color: var(--text-primary);
    }

    .toolbox-sort__chevron {
        color: rgba(235, 245, 255, 0.8);
    }

    .toolbox-sort__menu {
        background: color-mix(in srgb, var(--bg-secondary) 90%, var(--bg-dark));
        border-color: color-mix(in srgb, var(--border-color) 60%, transparent);
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
    }

    .toolbox-sort__option {
        color: var(--text-secondary);
    }

    .toolbox-sort__option:hover,
    .toolbox-sort__option.is-active {
        background: rgba(var(--tech-secondary-rgb, 86, 204, 242), 0.15);
        color: var(--text-primary);
    }

    .toolbox-sort__option-icon {
        color: var(--text-primary);
    }

    .toolbox-drawer__panel {
        background: color-mix(in srgb, var(--bg-secondary) 90%, var(--bg-dark-secondary));
        border: 1px solid color-mix(in srgb, var(--border-color) 60%, transparent);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }

    .toolbox-drawer__close {
        border-color: color-mix(in srgb, var(--border-color) 60%, transparent);
        background: var(--bg-secondary);
        color: var(--text-secondary);
    }

    .toolbox-drawer__close:hover {
        border-color: var(--text-primary);
        color: var(--text-primary);
    }

    .badge {
        background: rgba(86, 204, 242, 0.12);
        color: var(--text-primary);
    }

    .toolbox-button--ghost {
        border-color: rgba(86, 204, 242, 0.4);
        color: var(--text-primary);
    }

    .toolbox-button--primary {
        box-shadow: 0 10px 30px rgba(86, 204, 242, 0.4);
    }
}

[data-theme='dark'] .tool-card {
    background: linear-gradient(135deg, rgba(21, 29, 48, 0.94), rgba(14, 20, 32, 0.92));
    border-color: rgba(86, 204, 242, 0.3);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.6);
}

[data-theme='dark'] .tool-card:hover {
    border-color: rgba(86, 204, 242, 0.5);
    box-shadow: 0 36px 70px rgba(0, 0, 0, 0.65);
}

[data-theme='dark'] .badge {
    background: rgba(86, 204, 242, 0.18);
    color: rgba(240, 248, 255, 0.9);
}

[data-theme='dark'] .toolbox-drawer__panel {
    background: linear-gradient(135deg, rgba(21, 32, 48, 0.95), rgba(12, 18, 30, 0.92));
    border-color: rgba(86, 204, 242, 0.25);
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.75);
}

[data-theme='dark'] .toolbox-button--ghost {
    border-color: rgba(86, 204, 242, 0.45);
    color: rgba(235, 245, 255, 0.92);
}

[data-theme='dark'] .tool-card__icon {
    background: transparent;
    border: none;
    box-shadow: none;
}

[data-theme='dark'] .toolbox-drawer__icon {
    background: transparent;
    border: none;
    box-shadow: none;
}

.toolbox-drawer__panel {
    position: relative;
    width: min(100%, 30rem);
    max-width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: 0 35px 80px rgba(15, 23, 42, 0.18);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.toolbox-drawer.is-open .toolbox-drawer__panel {
    transform: translateX(0);
}

@media (max-width: 48rem) {
    .toolbox-drawer__panel {
        width: 100%;
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
        align-self: flex-end;
        transform: translateY(100%);
    }

    .toolbox-drawer.is-open .toolbox-drawer__panel {
        transform: translateY(0);
    }
}

.toolbox-drawer__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: grid;
    place-items: center;
    z-index: 10;
    transition: all var(--transition-base);
}

.toolbox-drawer__close:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.toolbox-drawer__close span {
    font-size: 1.25rem;
    line-height: 1;
}

.toolbox-drawer__header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.toolbox-drawer__icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: var(--radius-2xl);
    background: transparent;
    border: none;
    display: grid;
    place-items: center;
    font-size: var(--text-3xl);
    box-shadow: none;
}

.toolbox-drawer__heading h2 {
    margin: 0;
    font-size: var(--text-2xl);
}

.toolbox-drawer__heading p {
    margin: var(--space-xs) 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.toolbox-drawer__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.toolbox-drawer__divider {
    border: none;
    border-top: 1px solid var(--border-color);
}

.toolbox-drawer__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

@media (min-width: 36rem) {
    .toolbox-drawer__actions {
        flex-direction: row;
    }
}

body.has-drawer-open {
    overflow: hidden;
}

/* ------------ Buttons ------------- */
.toolbox-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.toolbox-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.toolbox-button--primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
}

.toolbox-button--ghost {
    border-color: var(--toolbox-ghost-border);
    background: transparent;
    color: var(--text-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.toolbox-button[aria-disabled='true'] {
    opacity: 0.5;
    pointer-events: none;
}

.toolbox-button[hidden] {
    display: none !important;
}

/* =========================================
   Loading & Empty States
   ========================================= */
.loading {
    padding: var(--space-4xl) var(--space-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-base);
    width: 100%;
    grid-column: 1 / -1;
    /* Span all columns in grid layouts (booklist) */
}

.error-message {
    padding: var(--space-4xl) var(--space-md);
    text-align: center;
    color: var(--color-error, var(--theme-primary));
    font-size: var(--text-base);
}