/* =============================================
   工具页面样式
   ============================================= */

/* ===== 工具列表页 ===== */
.tool-page {
    padding-top: 32px;
    padding-bottom: 60px;
}

.tool-page-header {
    text-align: center;
    margin-bottom: 28px;
}

.tool-page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 6px;
}

.tool-page-header p {
    color: var(--text-muted);
    margin: 0;
    font-size: 14px;
}

/* 两栏布局 */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 20px;
    align-items: start;
}

/* 左侧工具列表 */
.tool-left-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
}

/* 右侧功能区 */
.tool-right-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    position: sticky;
    top: calc(var(--header-height) + 16px);
    min-height: 240px;
}

/* 右侧空状态 */
.tool-right-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
    gap: 12px;
}

.tool-right-empty i { font-size: 36px; opacity: .3; }
.tool-right-empty p { font-size: 14px; margin: 0; }

/* 右侧标题 */
.tool-right-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.tool-right-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin: 16px 0 20px;
}

/* VIP 锁 */
.tool-vip-lock {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 16px;
    gap: 10px;
}

.tool-vip-lock > i { font-size: 40px; color: #f59e0b; }
.tool-vip-lock h3 { font-size: 16px; font-weight: 600; margin: 0; }
.tool-vip-lock p { font-size: 13px; color: var(--text-muted); margin: 0; }

.tool-vip-lock-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 24px;
    background: #f59e0b;
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 4px;
    transition: background .15s;
}

.tool-vip-lock-btn:hover { background: #d97706; color: #fff; }

/* 二维码结果（右侧） */
.tool-qr-result {
    margin-top: 20px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* 清空按钮 */
.tool-clear-btn {
    padding: 11px 20px;
    background: #f3f4f6;
    color: var(--text);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s;
}

.tool-clear-btn:hover { background: #e5e7eb; }

/* 分类区块 */
.tool-category-section { margin-bottom: 48px; }

.tool-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.tool-category-icon {
    width: 36px;
    height: 36px;
    background: #eff6ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
}

.tool-category-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
}

.tool-category-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: auto;
}

/* 工具卡片网格 */
.tool-cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tool-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    position: relative;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
    white-space: nowrap;
}

.tool-card:hover {
    border-color: var(--primary);
    background: #eff6ff;
    color: var(--primary);
}

.tool-card.active {
    border-color: var(--primary);
    background: #eff6ff;
    color: var(--primary);
    font-weight: 600;
}

.tool-card-badge {
    font-size: 11px;
    padding: 2px 4px;
    border-radius: 6px;
    background: #fef3c7;
    color: #d97706;
    flex-shrink: 0;
    line-height: 1;
}

.tool-card-name {
    font-size: 14px;
    font-weight: 500;
    color: inherit;
}

/* 空状态 */
.tool-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.tool-empty i { font-size: 48px; opacity: .3; margin-bottom: 12px; display: block; }

/* ===== 工具详情页 ===== */
.tool-detail-page { padding: 40px 0 60px; max-width: 760px; }

.tool-breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-breadcrumb a { color: var(--text-muted); }
.tool-breadcrumb a:hover { color: var(--primary); }
.tool-breadcrumb-sep { opacity: .5; }

/* 工具标题区 */
.tool-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.tool-detail-icon {
    width: 56px;
    height: 56px;
    background: #eff6ff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary);
    flex-shrink: 0;
}

.tool-detail-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.tool-vip-tag {
    font-size: 13px;
    padding: 2px 5px;
    border-radius: 6px;
    background: #fef3c7;
    color: #d97706;
    line-height: 1;
}

.tool-detail-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* 无权限提示 */
.tool-no-access {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 48px 32px;
    text-align: center;
}

.tool-no-access-icon {
    font-size: 48px;
    color: #d97706;
    margin-bottom: 16px;
}

.tool-no-access h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
}

.tool-no-access p {
    color: var(--text-muted);
    margin: 0 0 24px;
}

.tool-no-access-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: background .15s;
}

.tool-no-access-btn:hover { background: var(--primary-hover); color: var(--white); }

/* 表单区域 */
.tool-form-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 24px;
}

.tool-form-card-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 20px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 参数输入 */
.tool-param-item {
    margin-bottom: 16px;
}

.tool-param-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.tool-param-label .required-star {
    color: #e53e3e;
    margin-left: 2px;
}

.tool-param-input {
    width: 100%;
    height: 40px;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    padding: 0 12px;
    font-size: 14px;
    color: var(--text);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
    outline: none;
    font-family: inherit;
}

.tool-param-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.08);
}

/* 生成按钮 */
.tool-generate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 32px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    font-family: inherit;
}

.tool-generate-btn:hover { background: var(--primary-hover); }
.tool-generate-btn:disabled { opacity: .6; cursor: not-allowed; }

/* URL 预览 */
.tool-url-preview {
    margin-top: 16px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 12px;
    color: var(--text-muted);
    word-break: break-all;
    line-height: 1.6;
    display: none;
}

.tool-url-preview.show { display: block; }
.tool-url-preview strong { color: var(--text); font-weight: 500; }

/* 二维码结果区 */
.tool-result-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    display: none;
}

.tool-result-card.show { display: block; }

.tool-qr-box {
    display: inline-block;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.tool-qr-box img { display: block; }

.tool-result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tool-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s;
    font-family: inherit;
}

.tool-copy-btn:hover { background: var(--primary-hover); }
.tool-copy-btn:disabled { opacity: .7; cursor: default; }

.tool-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    background: #10b981;
    color: #fff;
    border: none;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
    font-family: inherit;
}

.tool-download-btn:hover { background: #059669; color: #fff; }

.tool-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    background: #fff;
    color: var(--text);
    border: 1.5px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color .15s;
    font-family: inherit;
}

.tool-reset-btn:hover { border-color: var(--primary); color: var(--primary); }

/* 错误提示 */
.tool-error-msg {
    color: #e53e3e;
    font-size: 13px;
    margin-top: 12px;
    display: none;
}

.tool-error-msg.show { display: block; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
    .tool-right-panel {
        position: static;
    }
}

@media (max-width: 768px) {
    .tool-page { padding: 20px 0 40px; }
    .tool-page-header { margin-bottom: 20px; }
    .tool-page-header h1 { font-size: 20px; }
    .tool-left-panel, .tool-right-panel { padding: 16px; }
    .tool-category-section { margin-bottom: 20px; }
    .tool-category-desc { display: none; }

    .tool-detail-page { padding: 20px 0 40px; max-width: 100%; }
    .tool-detail-title { font-size: 18px; }
    .tool-no-access { padding: 36px 20px; }
}

@media (max-width: 480px) {
    .tool-cards-grid { gap: 8px; }
    .tool-card { padding: 7px 13px; font-size: 13px; }

    .tool-form-card { padding: 16px; }
    .tool-result-card { padding: 16px; }

    .tool-generate-btn { width: 100%; justify-content: center; }
    .tool-copy-btn, .tool-download-btn { flex: 1; justify-content: center; }
}