/* ===== 站点增强样式（搜索 / 回到顶部 / 工具箱 / 打字机） ===== */

/* 搜索框：放在 header 图标栏，紧跟语言切换右侧
   默认只显示图标，hover/focus 时展开输入框 */
.searchBox {
    display: flex;
    align-items: center;
    height: 38px;
    padding: 0 12px;
    background: var(--icon-bg-color, rgba(249, 250, 251, 0.6));
    border-radius: 6px;
    transition: all 0.35s ease;
    gap: 6px;
    width: 42px;
    overflow: hidden;
    cursor: pointer;
}
.searchBox:hover,
.searchBox:focus-within {
    width: 200px;
    background: var(--project-item-hover-color, rgba(240, 241, 241, 0.6));
    cursor: text;
}
.searchBox svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.searchBox input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--main-text-color, #000);
    width: 150px;
    font-family: inherit;
    opacity: 0;
    transition: opacity 0.25s ease 0.1s;
}
.searchBox:hover input,
.searchBox:focus-within input {
    opacity: 1;
}
.searchBox input::placeholder {
    color: var(--project-item-left-text-color, #7e7e7e);
    opacity: 0.8;
}
.search-empty {
    display: none;
    text-align: center;
    color: var(--project-item-left-text-color, #7e7e7e);
    margin: 10px 0 20px;
    font-size: 15px;
}

/* 回到顶部按钮 */
#backToTop {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--icon-bg-color, rgba(249, 250, 251, 0.6));
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 9999;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
#backToTop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
#backToTop:hover {
    background: var(--icon-1-hover-color, rgb(68, 120, 241));
}
#backToTop svg {
    width: 22px;
    height: 22px;
}

/* 工具箱页面 */
.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 5px;
}
.tool-card {
    background-color: var(--project-item-bg-color, rgba(249, 250, 251, 0.6));
    border-radius: 8px;
    padding: 16px;
    width: calc(50% - 24px);
    transition: all 0.25s ease;
    cursor: pointer;
}
.tool-card:hover {
    transform: translateY(-4px);
    background-color: var(--project-item-hover-color, rgba(240, 241, 241, 0.6));
}
.tool-card h3 {
    font-weight: normal;
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--project-item-left-title-color, #000);
}
.tool-card p {
    font-size: 14px;
    color: var(--project-item-left-text-color, #7e7e7e);
}

/* 单个工具面板 */
.tool-panel {
    background: var(--project-item-bg-color, rgba(249, 250, 251, 0.6));
    border-radius: 10px;
    padding: 18px;
    margin: 10px 0;
}
.tool-panel h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--project-item-left-title-color, #000);
}
.tool-panel textarea,
.tool-panel input[type="text"],
.tool-panel input[type="number"] {
    width: 100%;
    border: 1px solid rgba(128, 128, 128, 0.25);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    background: var(--main-bg-color);
    color: var(--main-text-color, #000);
    box-sizing: border-box;
    outline: none;
    resize: vertical;
}
.tool-panel textarea {
    min-height: 120px;
}
.tool-panel .row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 10px 0;
}
.tool-panel button {
    border: 1px solid rgba(128, 128, 128, 0.25);
    background: transparent;
    color: var(--main-text-color, #000);
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}
.tool-panel button:hover {
    background: var(--icon-1-hover-color, rgb(68, 120, 241));
    color: #fff;
    border-color: var(--icon-1-hover-color, rgb(68, 120, 241));
}
.tool-panel .result {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--text-bg-color, #f4f4f4);
    font-size: 14px;
    word-break: break-all;
    white-space: pre-wrap;
    min-height: 20px;
}
.tool-panel pre.result {
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
}
.tool-panel select {
    border: 1px solid rgba(128, 128, 128, 0.25);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 14px;
    font-family: inherit;
    background: var(--main-bg-color);
    color: var(--main-text-color, #000);
    outline: none;
}
#qrcodeBox {
    margin-top: 12px;
    display: flex;
    justify-content: center;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
}
#qrcodeBox img, #qrcodeBox canvas {
    max-width: 100%;
}
.md-preview {
    margin-top: 10px;
    padding: 14px;
    border-radius: 8px;
    background: var(--text-bg-color, #f4f4f4);
    line-height: 1.7;
    word-break: break-word;
}
.md-preview h1, .md-preview h2, .md-preview h3 {
    margin: 10px 0 6px;
}
.md-preview code {
    background: rgba(128,128,128,0.18);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: monospace;
}
.md-preview pre {
    background: rgba(128,128,128,0.18);
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
}

/* 关于页打字机 */
.type-line {
    border-right: 2px solid var(--purple-text-color, #2b3ce2);
    animation: caretBlink 0.9s step-end infinite;
    white-space: pre-wrap;
}
@keyframes caretBlink {
    0%, 100% { border-color: transparent; }
    50% { border-color: var(--purple-text-color, #2b3ce2); }
}
.type-hidden {
    visibility: hidden;
}

@media (max-width: 600px) {
    .tool-card {
        width: calc(100% - 12px);
    }
    .searchBox:hover,
    .searchBox:focus-within {
        width: 160px;
    }
    .searchBox input {
        width: 120px;
    }
}

/* ===== 软件安装教程：点击展开折叠（原生 details/summary） ===== */
.tut-details {
    margin-top: 14px;
    background-color: var(--project-item-bg-color, rgba(249, 250, 251, 0.6));
    border: 1px solid rgba(128, 128, 128, 0.15);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
}
.tut-details > summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--project-item-left-title-color, #000);
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
    transition: background-color 0.2s ease;
}
.tut-details > summary::-webkit-details-marker {
    display: none;
}
.tut-details > summary:hover {
    background-color: var(--project-item-hover-color, rgba(240, 241, 241, 0.6));
}
.tut-details > summary::before {
    content: "";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 6px 0 6px 9px;
    border-color: transparent transparent transparent var(--purple-text-color, #2b3ce2);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}
.tut-details[open] > summary::before {
    transform: rotate(90deg);
}
.tut-details .tut-body {
    padding: 4px 16px 16px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--main-text-color, #000);
    border-top: 1px solid rgba(128, 128, 128, 0.12);
}
.tut-details .tut-body p {
    margin: 6px 0;
}
.tut-details .tut-body h2,
.tut-details .tut-body h3 {
    margin: 12px 0 6px;
    font-size: 16px;
}
.tut-details .tut-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 8px 0;
}
.tut-details .tut-body a {
    color: var(--purple-text-color, #2b3ce2);
}
.tut-details .tut-body code {
    background: rgba(128, 128, 128, 0.18);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: monospace;
}
.tut-details .tut-empty {
    color: var(--project-item-left-text-color, #999);
    font-size: 13px;
}
.tut-title {
    margin-top: 18px;
}