/* tools.css v2026-06-20 */
/* ============================================
   工具类 + 迷宫模块样式
   适用于：migong/ 所有页面
   ============================================ */

/* ===== 页面布局（迷宫/数独生成器共用）===== */
/* page-section 撑满剩余垂直空间 */
.page-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* section-inner 作为 flex 列容器，把空间传给子元素 */
.section-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 20px 24px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

/* 控制栏 */
.control-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}
.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.control-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
}
.control-group select,
.control-group input {
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 0.9rem;
}

/* 预览区域 */
.preview-area {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* 操作栏 */
.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.action-bar .btn {
    padding: 10px 20px;
    font-size: 0.95rem;
}

/* 画廊标题区 */
.gallery-header {
    text-align: center;
    margin-bottom: 30px;
}
.gallery-header h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 10px;
}
.gallery-header p {
    color: #666;
    font-size: 1rem;
}

/* 筛选栏 */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.filter-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
}
.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 0.9rem;
}

/* ===== 迷宫生成器页面 ===== */
.preview-canvas {
    background: #f5e6d3;
    border-radius: 32px;
    box-shadow: 0 8px 18px rgba(0,0,0,0.2);
    border: 3px solid #ddb582;
    display: block;
    margin: 0 auto;
    max-width: 100%;
    width: 100%;
    height: auto;
    max-width: 1400px;
}
.preview-canvas svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* 响应式 */
@media (max-width: 768px) {
    .control-bar {
        flex-direction: column;
    }
}

.control-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}
.styled-select {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 8px 20px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    outline: none;
    transition: border-color .15s;
}
.styled-select:focus { border-color: var(--primary); }

/* 生成按钮 - 美化 */
.generate-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent, #4a8ae8));
    border: none;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(95,158,254,0.3);
    white-space: nowrap;
}
.generate-btn:hover { 
    opacity: 0.9; 
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(95,158,254,0.4);
}
.generate-btn:active { transform: translateY(0); }

/* 控制栏输入框美化 */
.control-bar input[type="number"] {
    width: 60px;
    padding: 8px 10px;
    border: 2px solid var(--border);
    border-radius: 10px;
    text-align: center;
    font-size: 0.9rem;
    background: var(--input-bg);
    color: var(--text);
    outline: none;
    transition: border-color .15s;
    -moz-appearance: textfield;
}
.control-bar input[type="number"]:focus { border-color: var(--primary); }
.control-bar input[type="number"]::-webkit-outer-spin-button,
.control-bar input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.control-bar label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* 按钮组美化 */
.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}
.button-group .btn {
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.button-group .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.button-group .btn:active { transform: translateY(0); }
.button-group .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent, #4a8ae8));
    color: white;
}
.button-group .btn-outline {
    background: var(--card-bg);
    color: var(--text);
    border: 2px solid var(--border);
}

/* ===== 迷宫广场页面 ===== */

.search-box-area { margin-bottom: 24px; display: none; }
.search-box-area.show { display: block; }
.search-row {
    display: flex;
    gap: 0;
    align-items: center;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
}
.search-row:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(95,158,254,0.15); }
.search-row input {
    flex: 1;
    border: none !important;
    padding: 14px 16px;
    font-size: 15px;
    background: transparent;
    color: var(--text);
    outline: none !important;
}
.search-row input::placeholder { color: var(--text-light); }
.search-row select {
    padding: 14px 12px;
    border: none;
    border-left: 1px solid var(--border);
    font-size: 14px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    outline: none;
}
.search-row .btn { padding: 14px 24px; border-radius: 0 10px 10px 0; font-weight: 600; border: none; cursor: pointer; }

.maze-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.maze-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}
.maze-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.maze-card-img { width: 100%; aspect-ratio: 1.67; position: relative; }
.maze-card-img canvas { width: 100%; height: 100%; display: block; }
.maze-card-body { padding: 14px 16px; }
.maze-card-body h3 { font-size: 1rem; margin: 0 0 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.maze-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.maze-card-tag { padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; background: rgba(59,130,246,0.1); color: var(--primary); }
.maze-card-footer { font-size: 12px; color: var(--text-light); }

.top-badge {
    position: absolute;
    top: 10px; left: 10px;
    background: linear-gradient(135deg,#f59e0b,#ef4444);
    color: #fff; padding: 3px 10px; border-radius: 12px;
    font-size: 11px; font-weight: 700;
}

.pagination { display: flex; gap: 8px; margin-top: 32px; justify-content: center; flex-wrap: wrap; }
.pagination a { padding: 8px 16px; border-radius: 10px; border: 1px solid var(--border); text-decoration: none; color: var(--text); font-size: 14px; background: var(--card-bg); }
.pagination a:hover { border-color: var(--primary); }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }
.empty { text-align: center; padding: 60px 20px; color: var(--text-light); }

/* ===== 迷宫详情页 ===== */
.detail-canvas {
    background: #f5e6d3;
    border-radius: 32px;
    box-shadow: 0 8px 18px rgba(0,0,0,0.2);
    border: 3px solid #ddb582;
    display: block;
    margin: 0 auto;
    max-width: 100%;
}
/* info-tags 居中且不换行，不显示滚动条 */
.info-tags { 
    display: flex; 
    flex-wrap: nowrap; 
    gap: 0.6rem; 
    margin: 15px 0; 
    justify-content: center;
    overflow: hidden;
}
.info-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(59,130,246,0.12);
    padding: 0.3rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Hero 区域内的标题+标签一行布局 */
.hero-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}
.hero-title-row h1 {
    margin: 0;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    white-space: nowrap;
}
.hero-title-row .info-tags { margin: 0; }

/* 详情页 Hero 标签白色风格 */
.page-hero .info-tag {
    background: rgba(255,255,255,0.2);
    color: white;
}
.page-hero .hero-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 用户宝库页面 ===== */
.user-mazes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.user-maze-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.2s;
}
.user-maze-card:hover { transform: translateY(-2px); }
.user-maze-card canvas { width: 100%; aspect-ratio: 1.67; display: block; background: #fef3e0; }
.user-maze-info { padding: 14px 16px; }
.user-maze-info h3 { font-size: 1rem; margin: 0 0 8px; }

.user-maze-actions { display: flex; gap: 8px; margin-top: 10px; }

/* ===== 用户宝库页面 - 迷宫列表 ===== */
.maze-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}
.maze-card-header h3 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.maze-card-actions { display: flex; gap: 0.75rem; }
.maze-card-actions .btn,
.maze-card-actions .btn-danger {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 10px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: opacity .2s;
    border: none;
    font-family: inherit;
    line-height: 1.5;
}
.maze-card-actions .btn {
    background: linear-gradient(135deg, var(--primary), var(--accent, #4a8ae8));
    color: white;
}
.maze-card-actions .btn-danger { background: #e74c3c; color: white; }
.maze-card-actions .btn-danger:hover { opacity: 0.9; }

.maze-info { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }

@media (max-width: 640px) {
    .maze-card-header { flex-direction: column; align-items: flex-start; }
    .maze-card-actions { width: 100%; }
    .maze-card-actions .btn,
    .maze-card-actions .btn-danger { flex: 1; text-align: center; }
}

/* ===== 打印样式 ===== */
@media print {
    body * { visibility: hidden; }
    .print-area, .print-area * { visibility: visible; }
    .print-area { position: absolute; top: 0; left: 0; width: 100%; padding: 1.5cm; }
    @page { size: A4 portrait; margin: 1.5cm; }
}

/* ===== 全局弹窗/保存框/Toast（统一，防止被各页面重复定义）===== */
.global-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: none; justify-content: center; align-items: center;
    z-index: 10000;
}
.global-modal.show { display: flex; }
.global-modal-content {
    background: #fff; border-radius: 16px; padding: 28px 32px; max-width: 420px; width: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25); text-align: center;
}
.global-modal-content h3 { margin: 0 0 12px 0; font-size: 18px; color: #1e293b; }
.global-modal-content p  { margin: 0 0 20px 0; font-size: 14px; color: #64748b; line-height: 1.6; }
.global-modal-buttons { display: flex; gap: 12px; justify-content: center; }
.global-modal-btn {
    padding: 10px 28px; border-radius: 10px; font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all .15s; border: none;
}
.global-modal-btn-ok      { background: var(--primary, #3b82f6); color: #fff; }
.global-modal-btn-ok:hover { background: var(--primary-dark, #2563eb); }
.global-modal-btn-cancel      { background: #f1f5f9; color: #64748b; }
.global-modal-btn-cancel:hover { background: #e2e8f0; }

.save-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: none; justify-content: center; align-items: center;
    z-index: 10001;
}
.save-modal.show { display: flex; }
.save-modal-content {
    background: #fff; border-radius: 16px; padding: 28px 32px; max-width: 400px; width: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25); text-align: center;
}
.save-modal-content h3 { margin: 0 0 16px 0; font-size: 18px; color: #1e293b; }
.save-modal-content input {
    width: 100%; padding: 10px 14px; font-size: 14px; border: 1px solid #cbd5e1;
    border-radius: 8px; margin-bottom: 16px; outline: none; box-sizing: border-box;
}
.save-modal-content input:focus { border-color: var(--primary, #3b82f6); }
.save-modal-btns { display: flex; gap: 12px; justify-content: center; }
.save-modal-btns button {
    padding: 10px 28px; border-radius: 10px; font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all .15s; border: none;
}
.save-modal-btns .global-modal-btn-ok     { background: var(--primary, #3b82f6); color: #fff; }
.save-modal-btns .global-modal-btn-cancel { background: #f1f5f9; color: #64748b; }

#toast {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
    background: var(--primary, #3b82f6); color: #fff; padding: 12px 28px;
    border-radius: 10px; font-size: 14px; font-weight: 500; z-index: 99999;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2); opacity: 0; transition: opacity .3s;
    pointer-events: none; display: none;
}

/* ===== 生成器通用布局（数独/迷宫生成器共用）===== */

/* 控制栏：所有控件和按钮在同一行，自动换行 */
.mg-control-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

/* 行数×列数输入框组（迷宫生成器） */
.mg-input-group {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--hover);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
}
.mg-input-group input[type="number"] {
    width: 56px;
    padding: 7px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 14px;
    background: #fff;
    -moz-appearance: textfield;
}
.mg-input-group input[type="number"]::-webkit-inner-spin-button,
.mg-input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.mg-times {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 600;
}

/* 下拉框 */
.mg-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    min-width: 90px;
}

/* 按钮组 */
.mg-btn-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}
.mg-btn-group .btn-primary {
    padding: 9px 18px;
    font-size: 14px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .15s;
}
.mg-btn-group .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.mg-btn-group .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 迷你按钮（控制栏中使用） */
.btn-mini {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all .15s;
    white-space: nowrap;
}
.btn-mini:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.btn-mini:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
/* 迷你按钮配色 */
.btn-mini.blue {
    background: var(--primary);
    color: #fff;
}
.btn-mini.blue:hover {
    background: var(--primary-dark);
}

/* 主区域：横向，左侧棋盘，右侧操作栏（数独生成器） */
.mg-main-horizontal {
    display: flex !important;
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
    justify-content: center;
    margin-top: 20px;
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    box-sizing: border-box;
}

/* 左侧：预览区域 — 宽度自适应内容，不拉伸 */
.mg-main-horizontal > .mg-preview {
    flex: 0 0 auto;
}

/* 预览区域（迷宫/数独生成器共用） */
.mg-preview {
    background: #fef3e0;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    transition: all .3s;
    width: fit-content;
    flex-shrink: 0;
}
.mg-preview.has-content {
    border-style: solid;
    border-color: var(--primary-light);
    background: #fffbe6;
}
.mg-preview-placeholder {
    text-align: center;
    color: var(--text-light);
    font-size: 15px;
}
.mg-preview-placeholder i {
    display: block;
    font-size: 48px;
    color: var(--border);
    margin-bottom: 16px;
}

/* 右侧：操作区（数字键盘 + 清除/检查/答案） */
.mg-sidebar-buttons {
    width: 220px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    align-items: center;
}

/* 侧边栏按钮（通用） */
.sidebar-btn {
    width: 100%;
    padding: 10px 14px;
    font-size: 13px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all .15s;
    background: var(--card-bg);
    color: var(--text);
}
.sidebar-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.sidebar-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 分隔线 */
.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 6px 0;
    width: 100%;
}

/* 数字面板 */
#numPad {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 12px;
    flex-wrap: wrap;
}
.num-btn {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--card-bg);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    color: var(--text);
    transition: all .12s;
}
.num-btn:hover {
    border-color: var(--primary);
    background: #eff6ff;
}

/* 数独棋盘（预览区域） */
#sudokuBoard {
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.10);
    padding: 8px;
    display: inline-block;
    max-width: 100%;
    overflow: auto;
}

/* 响应式：小屏幕改为竖版 */
@media (max-width: 768px) {
    .mg-main-horizontal {
        flex-direction: column;
    }
    .mg-sidebar-buttons {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 12px;
    }
    .sidebar-btn {
        flex: 1;
        min-width: 120px;
    }
    .sidebar-divider {
        width: 100%;
        height: 1px;
        margin: 6px 0;
    }
}

/* ===== 全局按钮基类 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius, 10px);
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
    line-height: 1.5;
}
.btn:active { transform: translateY(0); }

/* 主按钮（蓝紫渐变） */

/* 轮廓按钮 */
.btn-outline {
    background: var(--card-bg, #fff);
    color: var(--text, #1e293b);
    border: 2px solid var(--border, #e2e8f0);
}
.btn-outline:hover {
    background: rgba(95,158,254,0.08);
    border-color: var(--primary, #5F9EFE);
}



/* generate-btn 兼容（与 btn-primary 保持一致） */
.generate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius, 10px);
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
    line-height: 1.5;
    background: linear-gradient(135deg, var(--primary, #5F9EFE), var(--accent, #4a8ae8));
    color: #fff;
    box-shadow: 0 3px 12px rgba(95,158,254,0.3);
}
.generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(95,158,254,0.4);
}
.generate-btn:active { transform: translateY(0); }
.generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 响应式：中等屏幕调整侧边栏宽度 */
@media (max-width: 1024px) and (min-width: 769px) {
    .mg-sidebar-buttons {
        width: 200px;
    }
}