/* Merged: quick_score.css, timer.css, homework.css, settings.css, pin.css, cloud_manager.css */

/* --- quick_score.css --- */
/* css/quick_score.css - 快捷加分系统样式 (洛克王国风格 v3) */

/* 模态框主体 */
.quick-score-content {
    width: 1400px;
    height: 85vh;
    max-width: 95vw;
    max-height: 900px;
    display: flex;
    flex-direction: column;
    overflow: hidden !important;
    background: var(--bg-color);
    border: 3px solid var(--border-color);
    padding: 0;
}

.quick-score-panel.hidden {
    display: none;
}

/* 面板头部 - 深色头部栏 */
.panel-header {
    background: var(--header-bg);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-bottom: none;
    gap: 20px;
}

.panel-header-left, .panel-header-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.panel-header-left {
    gap: 10px;
}

.panel-header-left h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--header-text);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

/* 极简文本导航 */
.stage-nav-text {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stage-nav-text .text-tab-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    padding: 6px 4px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.1s;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.stage-nav-text .text-tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* 右侧：工具区 */
.panel-header-right {
    justify-content: flex-end;
    gap: 12px;
}

.header-divider {
    width: 2px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 4px;
    flex-shrink: 0;
}

.panel-header-actions .btn-small {
    font-size: 1rem;
    padding: 8px 12px;
    height: auto;
    border-radius: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.panel-header-actions .icon-only {
    padding: 8px 12px;
    background-color: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.panel-header-actions .icon-only:active {
    background-color: rgba(255, 255, 255, 0.3);
}

.panel-header-actions .btn-close-small {
    width: 40px;
    height: 40px;
    font-size: 1.6rem;
    margin-left: 8px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.2);
}

/* 管理标签按钮 */
.btn-manage-tags {
    padding: 8px 12px;
    font-size: 1rem;
    color: var(--header-text);
    background-color: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.1s;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-manage-tags.active {
    background-color: var(--accent-color);
    color: var(--text-primary);
}

/* 主体布局 3:7 分割 */
.panel-body {
    display: flex;
    flex: 1;
    overflow: hidden !important;
    padding: 12px;
    gap: 16px;
    background: var(--bg-color);
}

/* 左侧：学生名单 */
.students-section {
    flex: 0 0 350px;
    display: flex;
    flex-direction: column;
    background: transparent;
    border-radius: 0;
    padding: 0;
    border: none;
    overflow: hidden !important;
}

/* 右侧：扁平化标签评分区 */
.tags-panel-right.flat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden !important;
    background: transparent;
    border: none;
    padding: 0 10px;
}

/* 正负面切换 Toggle */
.type-toggle-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: none;
    flex-shrink: 0;
}

.type-toggle-btn {
    padding: 8px 24px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 30px;
    background: var(--divider-color);
    color: var(--text-secondary);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.1s;
    display: flex;
    align-items: center;
    gap: 8px;
}

#toggle-positive.active {
    background: #E8F8E8;
    color: var(--success-color);
    border-color: var(--success-color);
}

#toggle-negative.active {
    background: #FDEDED;
    color: var(--danger-color);
    border-color: var(--danger-color);
}

/* 区域标题 */
.section-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ================= 左侧学生列表 ================= */

.students-list {
    flex: 1;
    width: 100%;
    height: 100%;
    overflow: hidden !important;
}

.students-list.grouped-layout {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px;
}

/* 小组容器 */
.group-container {
    width: calc(50% - 4px);
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 4px;
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    margin-bottom: 6px;
    break-inside: avoid;
}

.students-list:not(.grouped-layout) .students-grid {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px;
    width: 100%;
    height: 100%;
}

.group-header {
    font-size: 1rem;
    font-weight: bold;
    color: var(--accent-color);
    padding: 2px 6px;
    background: var(--divider-color);
    border-radius: 4px;
    margin-bottom: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.1s;
    user-select: none;
}

.group-header:active {
    background: var(--accent-color);
    color: var(--text-primary);
}

.group-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: normal;
}

#quick-score-panel .group-members {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* ================= XP 进度条背景化卡片 ================= */

#quick-score-panel .students-grid .student-item {
    width: calc(33.333% - 6px) !important;
    margin-bottom: 6px;
}

#quick-score-panel .student-item {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    user-select: none;
    height: 32px;
    width: 100% !important;
    box-sizing: border-box;
    overflow: hidden;
    padding: 0 8px;
}

/* 进度条填充层 */
.student-xp-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.25;
    z-index: 1;
    transition: width 0.3s ease;
}

/* 文字内容层 */
.student-item-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    pointer-events: none;
    gap: 8px;
}

/* 序号 */
.student-item-order {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: bold;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.student-item-name {
    font-size: 0.95rem;
    font-weight: bold;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80%;
}

.student-item-xp {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: bold;
}

/* 选中状态 */
#quick-score-panel .student-item.selected {
    border: 2px solid var(--accent-color) !important;
    background: var(--accent-color) !important;
    z-index: 10;
}

#quick-score-panel .student-item.selected .student-xp-fill {
    background: var(--border-color);
    opacity: 0.5;
}

#quick-score-panel .student-item.selected .student-item-name,
#quick-score-panel .student-item.selected .student-item-order {
    color: var(--text-primary);
}

.student-item-check {
    display: none !important;
}

#quick-score-panel .student-item:active:not(.selected) {
    border-color: var(--primary-color);
}

/* ================= 标签网格布局 ================= */

.tags-flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 75px;
    gap: 12px;
    width: 100%;
    align-content: flex-start;
    flex: 1;
}

/* 标签按钮容器 (匹配 demo-tag) */
.tag-item-grid {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: transform 0.15s;
    width: 100%;
    height: 100%;
    background: var(--card-bg);
    border: 2px solid var(--border-card);
}

.tags-flow-grid.mode-positive .tag-item-grid {
    border-top: 4px solid var(--success-color);
}

.tags-flow-grid.mode-negative .tag-item-grid {
    border-top: 4px solid var(--danger-color);
}

.tag-item-grid:active {
    transform: scale(0.96);
}

/* 主标签按钮 */
.tag-btn-grid {
    width: 100%;
    height: 100%;
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transition: background 0.1s;
    box-sizing: border-box;
}

.edit-mode .tag-btn-grid {
    padding-right: 80px;
}

.tag-btn-grid:active {
    background: var(--divider-color);
}

.tag-label-grid {
    font-weight: bold;
    font-size: 1.1rem;
    line-height: 1.3;
    text-align: center;
    width: 100%;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.tag-xp-grid {
    font-weight: 900;
    font-size: 1.2rem;
    background: var(--divider-color);
    padding: 2px 12px;
    border-radius: 12px;
    flex-shrink: 0;
    line-height: 1;
}

.tags-flow-grid.mode-positive .tag-xp-grid {
    color: var(--success-color);
}

.tags-flow-grid.mode-negative .tag-xp-grid {
    color: var(--danger-color);
}

/* ================= 编辑模式控制层 ================= */

.tag-edit-overlay {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    display: none;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    padding-left: 10px;
}

.edit-mode .tag-edit-overlay {
    display: flex;
}

.tag-edit-overlay button {
    height: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
}

.tag-move-btn {
    width: 30px;
    font-size: 1rem;
    color: var(--text-secondary) !important;
    background: rgba(0, 0, 0, 0.03) !important;
}

.tag-move-btn:active:not(:disabled) {
    background: var(--divider-color) !important;
    color: var(--primary-color) !important;
}

.tag-move-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

.tag-delete-btn-grid {
    width: 40px;
    font-size: 1.1rem;
    color: var(--danger-color) !important;
    background: rgba(231, 76, 60, 0.05) !important;
}

.tag-delete-btn-grid:active {
    background: var(--danger-color) !important;
    color: #fff !important;
}

/* 底部新增标签控制区 */
.tags-edit-controls {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px dashed var(--border-color);
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tags-edit-controls.hidden {
    display: none !important;
}

.btn-add-tag-large {
    padding: 12px 22px;
    min-width: 180px;
    min-height: 44px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px dashed var(--border-color);
    background: rgba(240, 163, 45, 0.08);
    color: var(--primary-color);
}

.btn-add-tag-large:active {
    transform: scale(0.96);
}

/* 批量增加弹窗 */
.quick-score-batch-modal-content {
    width: 760px;
    max-width: 92vw;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-score-batch-modal-content h3 {
    margin: 0;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.quick-score-batch-tip {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.5;
}

#quick-score-batch-textarea {
    width: 100%;
    height: 220px;
    resize: none;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--card-bg);
    box-sizing: border-box;
}

.quick-score-batch-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 同步班级弹窗 */
.quick-score-sync-modal-content {
    width: 680px;
    max-width: 92vw;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-score-sync-modal-content h3 {
    margin: 0;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.quick-score-sync-top-actions {
    display: flex;
    gap: 8px;
}

.quick-score-sync-class-list {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    max-height: 300px;
    overflow: auto;
    padding: 6px;
}

.quick-score-sync-class-item {
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
}

.quick-score-sync-class-item:active {
    background: var(--divider-color);
}

.quick-score-sync-checkbox {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}


/* 空标签提示 */
.empty-tags-msg {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: 40px 0;
}

/* 学生卡片选中状态（游戏场景中的快捷加分） */
.student-card.quick-score-selected,
.rocket-card.quick-score-selected,
.boss-card.quick-score-selected,
.fishing-card.quick-score-selected,
.brawl-card.quick-score-selected {
    border: 3px solid var(--accent-color) !important;
}

#scene-hub .student-card-wrapper:has(.student-card.quick-score-selected) {
    transform: scale(1.02);
}

/* 游戏场景侧边栏底部的控制容器 */
.header-bottom-controls {
    margin-top: auto;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* 游戏场景中的快捷加分按钮 */
.btn-game-icon {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    transition: transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-game-icon:active {
    color: var(--accent-color);
    transform: scale(0.95);
}

.btn-game-icon.active {
    color: var(--accent-color);
}


/* 闪烁成功动画 */
@keyframes flashSuccess {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; background: var(--success-color); }
}

.flash-success {
    animation: flashSuccess 0.3s ease-in-out;
}

/* 抖动错误动画 */
@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.shake-error {
    animation: shakeError 0.3s ease-in-out;
}

/* Toast styles moved to toast.css */

/* 响应式调整 */
@media (max-width: 1200px) {
    .panel-body {
        grid-template-columns: 180px 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .quick-score-panel {
        right: 10px;
        top: 70px;
        max-width: 95vw;
    }

    .panel-body {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .students-list {
        max-height: 200px;
    }
}

/* --- timer.css --- */
/* css/timer.css - 倒计时悬浮窗样式 (洛克王国风格 v3) */

.floating-widget {
    position: fixed;
    top: 100px;
    right: 30px;
    width: 380px;
    background: var(--bg-color);
    border: 3px solid var(--border-color);
    border-radius: var(--radius-lg);
    z-index: 5500;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.3s, transform 0.3s;
}

.floating-widget.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
}

/* 深色标题栏 (匹配 demo-timer .timer-head) */
.timer-header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 10px 15px;
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.timer-header:active {
    cursor: grabbing;
}

.btn-close-timer {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 5px;
    transition: transform 0.1s;
    position: relative;
}

.btn-close-timer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: transparent;
    z-index: 10;
}

.btn-close-timer:active {
    color: #fff;
}

/* 时间显示区 (匹配 demo-timer .timer-display) */
.timer-display {
    font-size: 4rem;
    font-weight: 900;
    text-align: center;
    color: var(--text-primary);
    padding: 5px 0;
    font-variant-numeric: tabular-nums;
    background: var(--card-bg);
    border-bottom: 2px solid var(--border-color);
    transition: color 0.3s;
}

.timer-display.danger {
    color: var(--danger-color);
    animation: pulse-danger 1s infinite;
}

@keyframes pulse-danger {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 预设按钮区 */
.timer-presets {
    display: flex;
    padding: 15px;
    gap: 10px;
    justify-content: center;
    background: var(--bg-color);
}

.btn-preset {
    flex: 1;
    background: var(--card-bg);
    border: 2px solid var(--border-card);
    color: var(--text-primary);
    padding: 10px 0;
    border-radius: var(--radius-sm);
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.1s;
    text-align: center;
}

.btn-preset:active {
    transform: scale(0.96);
}

.btn-preset:active, .btn-preset.active {
    background: var(--accent-color);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

/* 自定义时间输入区 */
.timer-custom {
    display: flex;
    padding: 0 15px 15px;
    gap: 10px;
    justify-content: center;
    align-items: center;
    background: var(--bg-color);
}

.timer-custom.hidden {
    display: none;
}

.timer-input-group {
    border-radius: var(--radius-sm);
}

.timer-input-group .btn-num-ctrl {
    width: 36px;
    height: 40px;
    font-size: 1.1rem;
}

.timer-input-group input {
    width: 50px;
    padding: 8px 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.timer-input-group:focus-within {
    border-color: var(--primary-color);
}

.custom-confirm {
    flex: none;
    padding: 10px 15px;
    background: var(--primary-color);
    color: var(--text-on-primary);
    border-radius: var(--radius-sm);
    border: none;
    font-weight: bold;
    cursor: pointer;
}

.custom-confirm:active {
    background: var(--border-color);
    color: var(--text-primary);
}

/* 控制按钮区 (匹配 demo-timer .timer-ctrls) */
.timer-controls {
    display: flex;
    padding: 0 15px 15px;
    gap: 15px;
    background: var(--bg-color);
}

.btn-timer-ctrl {
    flex: 1;
    border: none;
    color: white;
    padding: 12px 0;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.1s;
}

.btn-timer-ctrl:active {
    transform: scale(0.96);
}

.btn-timer-ctrl.start-btn {
    background: var(--success-color);
}

.btn-timer-ctrl.pause-btn {
    background: var(--accent-color);
    color: var(--text-primary);
}

.btn-timer-ctrl.reset-btn {
    background: var(--danger-color);
}

.btn-timer-ctrl:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

/* --- homework.css --- */
/* css/homework.css - 任务检查全屏弹窗 (洛克王国风格 v3) */

/* 全屏模态框外层 */
#modal-homework {
    z-index: 3500;
    background: var(--bg-color);
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    align-items: stretch;
    justify-content: flex-start;
}

#modal-homework.hidden {
    display: none !important;
}

/* --- 顶部控制栏 (白底细边框) --- */
.hw-header {
    height: 80px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    border-bottom: 1.5px solid var(--border-color);
    flex-shrink: 0;
}

.hw-header-left {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 进度胶囊 (黑底白字) */
.hw-progress {
    background: var(--header-bg);
    color: #fff;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hw-progress span {
    color: #fff;
    font-size: 1.4rem;
}

/* 标题输入框 */
.hw-title-input {
    flex: 1 1 620px;
    border: none;
    background: transparent;
    font-size: 1.72rem;
    font-weight: 900;
    color: var(--text-primary);
    outline: none;
    width: min(720px, 48vw);
    min-width: 460px;
    max-width: 720px;
    border-bottom: 1.5px dashed var(--border-color);
    padding-bottom: 4px;
    transition: border-color 0.2s;
}

.hw-title-input:focus {
    border-bottom-color: var(--accent-color);
}

.hw-header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

#modal-homework .hw-header-right .btn-icon {
    flex: 0 0 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

#modal-homework .hw-header-right .btn-icon i {
    width: 1em;
    height: 1em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* XP 设置 */
.hw-xp-setting {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.35);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: bold;
    color: var(--text-primary);
}

/* 隐藏原生数字输入框的小箭头 */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}

/* 包含加减按钮的输入组 */
.number-input-group {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--card-bg);
}

.number-input-group .btn-num-ctrl {
    background: var(--divider-color);
    border: none;
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s;
}

.number-input-group .btn-num-ctrl:active {
    background: var(--border-color);
    color: var(--primary-color);
}

.number-input-group .btn-num-ctrl:first-child {
    border-right: 1px solid var(--border-color);
}

.number-input-group .btn-num-ctrl:last-child {
    border-left: 1px solid var(--border-color);
}

.number-input-group input {
    width: 45px;
    border: none;
    padding: 4px 0;
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    color: var(--danger-color);
    outline: none;
    background: transparent;
}

/* --- 内容区 (静态网格) --- */
.hw-body {
    flex: 1;
    overflow: hidden;
    padding: 8px 12px 12px 12px;
    display: flex;
    flex-direction: column;
}

.hw-columns {
    display: flex;
    gap: 12px;
    flex: 1;
    height: 100%;
    overflow: hidden;
}

.hw-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.hw-col-header {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.hw-col-left .hw-col-header {
    background: var(--danger-color);
}

.hw-col-right .hw-col-header {
    background: var(--success-color);
}

/* 空状态：全员完成时外层与内层均保持透明/基础色，避免灰色背景与边框融合产生错位错觉 */
.hw-col.is-empty {
    background: var(--card-bg);
}

.hw-col.is-empty .hw-grid-uncompleted {
    background: transparent;
}

/* 左侧网格：动态分组网格布局 */
.hw-grid-uncompleted {
    flex: 1;
    overflow: hidden; /* 不滚动，利用网格自适应 */
    padding: 10px;
    display: grid;
    gap: 8px;
    background: #d4d8db; /* 增加底色区分组边框 */
    /* 移除自带圆角，交由外层 .hw-col 的 overflow: hidden 自然裁切，确保四个角完美贴合 */
    border-radius: 0;
}

/* 不分组时的平铺布局 */
.hw-grid-uncompleted.ungrouped-mode {
    grid-template-columns: repeat(var(--grid-cols, 1), minmax(0, 1fr));
    grid-template-rows: repeat(var(--grid-rows, 1), minmax(0, 1fr));
    background: transparent;
    padding: 8px;
}

/* 动态组布局 */
.hw-grid-uncompleted.groups-1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}
.hw-grid-uncompleted.groups-2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}
.hw-grid-uncompleted.groups-3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}
.hw-grid-uncompleted.groups-3 > .hub-quadrant:nth-child(3) {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc(50% - 4px);
}
.hw-grid-uncompleted.groups-4,
.hw-grid-uncompleted.quadrant-mode {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 分组容器 */
.hw-grid-uncompleted .hub-quadrant {
    width: 100%;
    background: #fff;
    border: none;
    box-shadow: none;
    padding: 0;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* 顶部彩色胶囊小标题 */
.hw-grid-uncompleted .hub-quadrant-title {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 0.85rem;
    font-weight: 900;
    color: #fff;
    padding: 2px 12px;
    text-align: center;
    width: auto;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 10px 0;
    z-index: 2;
    letter-spacing: 1px;
    border: none;
    background-color: var(--text-primary);
    writing-mode: horizontal-tb;
    margin: 0;
}

.hw-grid-uncompleted .hub-quadrant-title::before {
    display: none;
}

.hw-grid-uncompleted .hub-quadrant-title.t1 { background-color: var(--accent); }
.hw-grid-uncompleted .hub-quadrant-title.t2 { background-color: var(--success); }
.hw-grid-uncompleted .hub-quadrant-title.t3 { background-color: var(--warn); }
.hw-grid-uncompleted .hub-quadrant-title.t4 { background-color: var(--danger); }

/* 组内卡片网格 */
.hw-grid-uncompleted .hub-quadrant-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-cols, 1), minmax(0, 1fr));
    grid-template-rows: repeat(var(--grid-rows, 1), minmax(0, 1fr));
    gap: 4px;
    width: 100%;
    height: 100%;
    padding: 30px 6px 6px 6px; /* 避开左上角标题 */
    overflow: hidden; /* 让网格系统自动拉伸，不允许滚动 */
}

/* 右侧网格：平铺 */
.hw-grid-completed {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    display: grid;
    /* 方案 A: 增加最小宽度，使右侧卡片变大，一行约 4-5 个 */
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    grid-auto-rows: min-content;
    gap: 12px;
    align-content: flex-start;
}

/* --- 卡片复刻 --- */
.hw-card-wrapper {
    position: relative;
    width: 100%;
    height: 100%; /* 解除自适应高度比例限制，改为填满父格子 */
    cursor: pointer;
}

/* 右侧已完成区域保持原来的大小行为 */
.hw-grid-completed .hw-card-wrapper {
    aspect-ratio: 3 / 4;
    height: auto;
}

.hw-card-wrapper:active .hw-card {
    background-color: var(--accent-color);
}

.hw-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-card);
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 卡片信息栏内部间距与字号微调 */
.hw-card .card-info-cell {
    padding: 4px 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 2px;
    min-width: 0;
    flex-shrink: 0;
}

.hw-card .level-badge {
    background: var(--text-primary);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 900;
    flex-shrink: 0;
}

.hw-card .student-name {
    font-size: 1rem;
    font-weight: 900;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
}

.hw-card .pet-display {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.hw-card .pet-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 请假学生 */
.hw-card-wrapper.filtered {
    pointer-events: none;
}
.hw-card-wrapper.filtered .hw-card {
    opacity: 0.2;
    background-color: var(--divider-color);
    border-color: var(--border-color);
}

/* 已完成状态 */
.hw-card-wrapper.completed .hw-card {
    opacity: 0.35;
    background-color: var(--divider-color);
    border-color: var(--success-color);
}

/* 绿勾浮层 */
.hw-check-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--success-color);
    /* 采用相对卡片宽度的字号，避免在小卡片上太大，大卡片上太小 */
    font-size: clamp(3rem, 40%, 6rem);
    z-index: 20;
    pointer-events: none;
    display: none;
}

.hw-card-wrapper.completed .hw-check-mark {
    display: block;
}

/* 飘字提示 */
.hw-float-text {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, 0);
    color: var(--success-color);
    font-size: 2.5rem;
    font-weight: 900;
    -webkit-text-stroke: 1.5px #ffffff;
    z-index: 30;
    pointer-events: none;
    display: none;
}

.hw-float-text.animate {
    display: block;
    animation: flashFade 0.6s ease-in forwards;
}

@keyframes flashFade {
    0% {
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* --- settings.css --- */
/* =========================================
   css/settings.css — 全局数值自定义设置弹窗
   ========================================= */

#modal-settings .modal-content {
    max-width: 800px;
    width: 90vw;
    height: auto;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1.5px solid var(--border);
    padding: 0 !important;
    overflow: hidden;
}

#modal-settings .manager-header {
    margin-bottom: 0;
    flex-shrink: 0;
}

#modal-settings .manager-header h2 {
    color: #fff;
}

/* Tabs */
.settings-tabs {
    display: flex;
    padding: 0;
    background: #fff;
    border-bottom: 1.5px solid var(--border);
    flex-shrink: 0;
    margin-bottom: 0;
}

.tab-settings {
    flex: 1;
    padding: 12px;
    border: none !important;
    background: transparent !important;
    color: var(--text-sec);
    font-weight: 800;
    font-size: 0.9rem;
    cursor: pointer;
    text-align: center;
    position: relative;
    border-radius: 0 !important;
    transition: color 0.1s;
    outline: none;
}

.tab-settings:active {
    background: var(--bg) !important;
    color: var(--text);
}

.tab-settings.active {
    color: var(--accent) !important;
}

.tab-settings.active::after {
    content: '';
    position: absolute;
    bottom: -1.5px;
    left: 20%;
    right: 20%;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

/* Body & CSS Grid Stacking */
#settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #fff;
    border-radius: 0;
    border: none;
    text-align: left;
    display: grid;
}

.settings-section {
    grid-area: 1 / 1;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.settings-section.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.settings-section h3 {
    color: var(--text-sec);
    padding-left: 10px;
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 双列分组布局 */
.settings-layout { 
    display: flex; 
    flex-direction: column; 
    gap: 20px; 
}

.settings-group { 
    background: var(--bg); 
    border: 1.5px solid var(--border); 
    border-radius: var(--r-lg); 
    padding: 16px; 
}

.settings-group-title { 
    font-size: 0.95rem; 
    font-weight: 800; 
    color: var(--text); 
    margin-bottom: 12px; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
}

.settings-group-title i { 
    color: var(--accent); 
}

.settings-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 12px 24px; 
}

/* Items */
.setting-item { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background: #fff; 
    padding: 10px 14px; 
    border-radius: 8px; 
    border: 1px solid var(--border); 
    min-height: 64px;
}

.setting-info { 
    display: flex; 
    flex-direction: column; 
    gap: 4px; 
    flex: 1; 
    padding-right: 12px; 
}
.setting-info label { 
    font-size: 0.95rem; 
    font-weight: 800; 
    color: var(--text); 
}
.setting-info .setting-desc { 
    font-size: 0.75rem; 
    color: var(--text-sec); 
    font-weight: normal; 
    line-height: 1.3; 
}

.setting-controls { 
    display: flex; 
    flex-direction: column; 
    gap: 6px; 
}
.setting-input-wrap { 
    display: flex; 
    align-items: center; 
    gap: 6px; 
    justify-content: flex-end; 
}
.setting-input-wrap .mode-label { 
    font-size: 0.75rem; 
    color: var(--text-sec); 
    font-weight: 700; 
    width: 32px; 
    text-align: right; 
}

/* 触控数字输入框 (针对 .number-input-group 以兼容 start_game.html 中使用的类名) */
.number-input-group {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    height: 36px;
}
.number-input-group:focus-within { 
    border-color: var(--accent); 
}
.number-input-group .btn-num-ctrl {
    background: var(--bg); 
    border: none; 
    color: var(--text-sec);
    width: 32px; 
    height: 100%; 
    cursor: pointer;
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 0.85rem; 
    transition: background 0.1s, color 0.1s;
}
.number-input-group .btn-num-ctrl:active { 
    background: var(--border); 
    color: var(--text); 
}
.number-input-group .btn-num-ctrl:first-child { 
    border-right: 1.5px solid var(--border); 
}
.number-input-group .btn-num-ctrl:last-child { 
    border-left: 1.5px solid var(--border); 
}
.number-input-group input {
    width: 65px; 
    height: 100%; 
    border: none; 
    padding: 0;
    text-align: center; 
    font-weight: 800; 
    font-size: 0.95rem;
    color: var(--text); 
    outline: none; 
    -moz-appearance: textfield;
    background: #fff;
    font-family: inherit;
}
.number-input-group input::-webkit-outer-spin-button,
.number-input-group input::-webkit-inner-spin-button {
    -webkit-appearance: none; 
    margin: 0;
}

/* 为了向后兼容如果还保留了 settings-num-group */
.settings-num-group {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    height: 36px;
}
.settings-num-group:focus-within { 
    border-color: var(--accent); 
}
.settings-num-group .btn-num-ctrl {
    background: var(--bg); 
    border: none; 
    color: var(--text-sec);
    width: 32px; 
    height: 100%; 
    cursor: pointer;
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 0.85rem; 
    transition: background 0.1s, color 0.1s;
}
.settings-num-group .btn-num-ctrl:active { 
    background: var(--border); 
    color: var(--text); 
}
.settings-num-group .btn-num-ctrl:first-child { 
    border-right: 1.5px solid var(--border); 
}
.settings-num-group .btn-num-ctrl:last-child { 
    border-left: 1.5px solid var(--border); 
}
.settings-num-group input {
    width: 65px; 
    height: 100%; 
    border: none; 
    padding: 0;
    text-align: center; 
    font-weight: 800; 
    font-size: 0.95rem;
    color: var(--text); 
    outline: none; 
    -moz-appearance: textfield;
    background: #fff;
    font-family: inherit;
}
.settings-num-group input::-webkit-outer-spin-button,
.settings-num-group input::-webkit-inner-spin-button {
    -webkit-appearance: none; 
    margin: 0;
}

.settings-note {
    color: var(--text-sec);
    font-size: 1rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.settings-footer {
    display: flex;
    gap: 20px;
    justify-content: center;
    padding: 12px 15px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    margin-top: 0;
}

/* Toggle Switch 开关组件 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    cursor: pointer;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border, #ccc);
    border-radius: 28px;
    transition: background 0.2s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}
.toggle-switch input:checked + .toggle-slider {
    background: var(--accent, #3498db);
}
.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

/* --- pin.css --- */
/* =========================================
   css/pin.css — 管理员密码锁弹窗样式
   ========================================= */

/* 密码展示点 */
.pin-display {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    height: 20px;
}

.pin-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2.5px solid var(--border);
    background: var(--bg);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pin-dot.filled {
    background: var(--text);
    border-color: var(--text);
    transform: scale(1.1);
}

/* 错误提示文本 */
.pin-error {
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: bold;
    height: 20px;
    margin-bottom: 16px;
    opacity: 0;
    transition: opacity 0.2s;
}

.pin-error.visible {
    opacity: 1;
}

/* 数字键盘网格 */
.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px 24px;
    max-width: 300px;
    margin: 0 auto;
}

/* 数字按钮 */
.pin-btn {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: #fff;
    color: var(--text);
    font-size: 1.6rem;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s;
}

.pin-btn:active {
    background: var(--bg);
    transform: scale(0.95);
    border-color: var(--accent);
    color: var(--accent);
}

/* 功能按钮（清空、退格） */
.pin-btn-action {
    font-size: 1rem;
    background: transparent;
    border: none;
    color: var(--text-sec);
}

.pin-btn-action:active {
    background: var(--bg);
    border-color: transparent;
    color: var(--text);
}

/* 错误震动动画 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both;
}

/* 密码锁模态框特定样式覆盖 */
.modal-pin-content {
    max-width: 380px !important;
    text-align: center;
}

/* --- random_picker.css --- */
/* 游戏内随机抽学生工具 */
.random-picker-content {
    width: 760px;
    max-width: 92vw;
    max-height: 88vh;
    padding: 0;
    overflow: hidden;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.random-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1.5px solid var(--border, #e0e0e0);
    background: #fff;
}

.random-picker-header h3 {
    margin: 0;
    color: #fff;
    background: var(--text, #2c2c2c);
    padding: 8px 18px;
    border-radius: var(--r-pill, 999px);
    font-weight: 900;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.random-picker-tabs {
    display: flex;
    background: var(--bg, #f7f7f7);
    border-bottom: 1.5px solid var(--border, #e0e0e0);
}

.random-picker-tab {
    flex: 1;
    min-height: 48px;
    border: none;
    background: transparent;
    color: var(--text-sec, #777);
    font-size: 1rem;
    font-weight: 900;
    cursor: pointer;
}

.random-picker-tab:active {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text, #2c2c2c);
}

.random-picker-tab.active {
    background: #fff;
    color: var(--accent, #4a90d9);
    border-bottom: 4px solid var(--accent, #4a90d9);
}

.random-picker-body {
    padding: 18px;
    overflow-y: auto;
    background: #fff;
}

.random-picker-panel {
    display: none;
}

.random-picker-panel.active {
    display: block;
}

.random-picker-control-row {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: 12px;
    background: var(--bg, #f7f7f7);
}

.random-picker-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.random-picker-copy strong {
    font-size: 1.12rem;
    color: var(--text, #2c2c2c);
}

.random-picker-copy span {
    font-size: 0.9rem;
    color: var(--text-sec, #777);
    font-weight: 700;
}

.random-picker-num-group {
    flex-shrink: 0;
    height: 48px;
}

.random-picker-num-group input {
    width: 74px;
    font-size: 1.18rem;
}

.random-picker-result {
    margin-top: 16px;
    min-height: 230px;
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: 12px;
    padding: 16px;
    background: #fff;
}

.random-picker-result.empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg, #f7f7f7);
}

.random-picker-empty {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-sec, #777);
    font-weight: 800;
    font-size: 1rem;
    text-align: center;
}

.random-picker-result-title {
    font-size: 1.05rem;
    font-weight: 900;
    color: var(--text, #2c2c2c);
    margin-bottom: 12px;
}

.random-picker-name-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(126px, 1fr));
    gap: 10px;
}

.random-picker-student-chip {
    min-height: 50px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #1f2937;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(0, 0, 0, 0.08);
}

.random-picker-student-name {
    font-size: 1.15rem;
    font-weight: 900;
    line-height: 1.2;
    text-align: center;
    overflow-wrap: anywhere;
}

.random-picker-group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
}

.random-picker-group-card {
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg, #f7f7f7);
}

.random-picker-group-title {
    background: var(--text, #2c2c2c);
    color: #fff;
    font-weight: 900;
    padding: 8px 10px;
    text-align: center;
}

.random-picker-group-members {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.random-picker-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 18px;
    border-top: 1.5px solid var(--border, #e0e0e0);
    background: var(--bg, #f7f7f7);
}

.random-picker-actions .btn-rect {
    min-height: 44px;
    min-width: 104px;
}

/* 大教室观看版：结果名单优先，按钮按触屏尺寸放大 */
.random-picker-content {
    width: 940px;
    max-width: calc(100vw - 160px);
    height: 780px;
    max-height: calc(100vh - 80px);
    border-radius: 20px;
}

.random-picker-header {
    min-height: 76px;
    padding: 16px 22px;
}

.random-picker-header h3 {
    padding: 12px 22px;
    font-size: 1.32rem;
    gap: 10px;
}

.random-picker-header .btn-close-small {
    width: 54px;
    height: 54px;
    font-size: 1.45rem;
}

.random-picker-tabs {
    gap: 12px;
    padding: 12px 22px;
}

.random-picker-tab {
    min-height: 58px;
    border-radius: 15px;
    font-size: 1.22rem;
}

.random-picker-body {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 18px 22px;
    overflow: hidden;
}

.random-picker-control-row {
    min-height: 92px;
    padding: 14px 20px;
    border-radius: 16px;
}

.random-picker-copy strong {
    font-size: 1.36rem;
}

.random-picker-copy span {
    font-size: 1.08rem;
}

.random-picker-num-group {
    width: 218px;
    height: 66px;
    border-radius: 16px;
}

.random-picker-num-group .btn-num-ctrl {
    width: 66px;
    min-width: 66px;
    font-size: 1.32rem;
}

.random-picker-num-group input {
    width: 86px;
    font-size: 1.75rem;
}

.random-picker-result {
    flex: 1 1 auto;
    min-height: 0;
    padding: 20px;
    border-radius: 16px;
    overflow: hidden;
}

.random-picker-empty {
    font-size: 1.28rem;
}

.random-picker-result-title {
    font-size: 1.36rem;
    margin-bottom: 16px;
}

.random-picker-name-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    grid-auto-rows: 1fr;
    gap: 16px;
    height: calc(100% - 56px);
}

.random-picker-student-chip {
    min-width: 0;
    min-height: 0;
    border-radius: 18px;
    padding: 12px 18px;
}

.random-picker-student-name {
    font-size: 2.05rem;
    line-height: 1.08;
}

.random-picker-group-grid {
    grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
    grid-auto-rows: 1fr;
    gap: 16px;
    height: calc(100% - 56px);
}

.random-picker-group-card {
    min-width: 0;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.random-picker-group-title {
    font-size: 1.2rem;
    padding: 12px 10px;
}

.random-picker-group-members {
    padding: 12px;
    gap: 10px;
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    box-sizing: border-box;
}

.random-picker-group-members .random-picker-student-chip {
    min-height: 64px;
    flex: 1 1 0;
}

.random-picker-group-members .random-picker-student-name {
    font-size: 1.8rem;
}

.random-picker-actions {
    flex: 0 0 auto;
    padding: 14px 22px;
    gap: 14px;
}

.random-picker-actions .btn-rect {
    min-height: 58px;
    min-width: 152px;
    font-size: 1.2rem;
}

.random-picker-result.count-small .random-picker-name-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.random-picker-result.count-small .random-picker-student-name {
    font-size: 2.8rem;
}

.random-picker-result.count-medium .random-picker-name-grid {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.random-picker-result.count-medium .random-picker-student-name {
    font-size: 2.2rem;
}

.random-picker-result.count-large .random-picker-name-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.random-picker-result.count-large .random-picker-student-name {
    font-size: 1.72rem;
}

.random-picker-result.count-many .random-picker-name-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.random-picker-result.count-many .random-picker-student-chip {
    border-radius: 14px;
    padding: 8px 10px;
}

.random-picker-result.count-many .random-picker-student-name {
    font-size: 1.36rem;
}

.random-picker-result.group-many .random-picker-group-grid {
    gap: 12px;
}

.random-picker-result.group-many .random-picker-group-title {
    font-size: 1rem;
    padding: 8px 8px;
}

.random-picker-result.group-many .random-picker-group-members {
    height: auto;
    flex: 1 1 auto;
    padding: 8px;
    gap: 7px;
}

.random-picker-result.group-many .random-picker-student-name {
    font-size: 1.45rem;
}

.random-picker-result.group-many .random-picker-group-members .random-picker-student-chip {
    min-height: 38px;
}

/* 名字优先版：控制区保持可点，但视觉重心让给抽中的学生 */
.random-picker-header {
    min-height: 54px;
    padding: 8px 16px;
}

.random-picker-header h3 {
    padding: 8px 16px;
    font-size: 1rem;
}

.random-picker-header .btn-close-small {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
}

.random-picker-tabs {
    padding: 8px 16px;
    gap: 10px;
}

.random-picker-tab {
    min-height: 44px;
    font-size: 0.98rem;
    border-radius: 12px;
}

.random-picker-body {
    padding: 12px 16px;
}

.random-picker-control-row {
    min-height: 66px;
    padding: 8px 14px;
    border-radius: 14px;
}

.random-picker-copy {
    gap: 3px;
}

.random-picker-copy strong {
    font-size: 1rem;
}

.random-picker-copy span {
    font-size: 0.82rem;
}

.random-picker-num-group {
    width: 162px;
    height: 50px;
}

.random-picker-num-group .btn-num-ctrl {
    width: 50px;
    min-width: 50px;
    font-size: 1.1rem;
}

.random-picker-num-group input {
    width: 62px;
    font-size: 1.42rem;
}

.random-picker-result {
    margin-top: 12px;
    padding: 14px;
}

.random-picker-result-title {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.random-picker-name-grid,
.random-picker-group-grid {
    height: calc(100% - 34px);
}

.random-picker-actions {
    padding: 10px 16px;
}

.random-picker-actions .btn-rect {
    min-height: 50px;
    min-width: 128px;
    font-size: 1rem;
}

.random-picker-result.count-small .random-picker-student-name {
    font-size: 4rem;
}

.random-picker-result.count-medium .random-picker-student-name {
    font-size: 3rem;
}

.random-picker-result.count-large .random-picker-student-name {
    font-size: 2.25rem;
}

.random-picker-result.count-many .random-picker-student-name {
    font-size: 1.7rem;
}

.random-picker-group-members .random-picker-student-name {
    font-size: 2.05rem;
}

.random-picker-result.group-many .random-picker-student-name {
    font-size: 1.6rem;
}

@media (max-width: 1100px) {
    .random-picker-content {
        max-width: calc(100vw - 96px);
        height: 720px;
    }
    .random-picker-result {
        min-height: 0;
    }
    .random-picker-student-name {
        font-size: 1.72rem;
    }
}

/* --- cloud_manager.css --- */
/* css/cloud_manager.css - 签到云端管理面板样式（白净版 v2 完整重写） */

/* ── 模态框容器 ── */
.cloud-manager-content {
    width: 720px;
    max-width: 96vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    background: var(--card, #fff);
}

/* ── 标签页导航 ── */
.cloud-tabs {
    display: flex;
    border-bottom: 1.5px solid var(--border, #e0e0e0);
    background: var(--card, #fff);
    flex-shrink: 0;
}

.cloud-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-sec, #888);
    font-size: 0.88rem;
    font-weight: 800;
    padding: 12px 8px;
    cursor: pointer;
    text-align: center;
    position: relative;
    transition: color 0.15s;
}

.cloud-tab-btn:active {
    color: var(--text, #2c2c2c);
}

.cloud-tab-btn.active {
    color: var(--accent, #4a90d9);
}

.cloud-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1.5px;
    left: 20%;
    right: 20%;
    height: 3px;
    background: var(--accent, #4a90d9);
    border-radius: 3px;
}

/* ── 标签内容区（grid 叠层法：高度 = 最高 tab） ── */
.cloud-tab-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--card, #fff);
    display: grid;
}

.cloud-tab-body::-webkit-scrollbar { width: 6px; }
.cloud-tab-body::-webkit-scrollbar-track { background: transparent; }
.cloud-tab-body::-webkit-scrollbar-thumb { background: var(--border, #e0e0e0); border-radius: 6px; }

.cloud-tab-section {
    grid-area: 1 / 1;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    min-height: 0;
}

.cloud-tab-section.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* ── 信息卡（图标 + 名称 + 芯片） ── */
.cloud-info-card {
    background: var(--bg, #f0f0f0);
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: var(--r, 12px);
    padding: 14px 18px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.cloud-info-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-light, #e8f1fb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent, #4a90d9);
    flex-shrink: 0;
}

.cloud-info-body {
    flex: 1;
    min-width: 0;
}

.cloud-info-name {
    font-size: 1rem;
    font-weight: 900;
    color: var(--text, #2c2c2c);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}

.cloud-info-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.cloud-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #fff;
    border: 1px solid var(--border, #e0e0e0);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-sec, #888);
    white-space: nowrap;
}

.cloud-chip.accent {
    background: var(--accent-light, #e8f1fb);
    color: var(--accent, #4a90d9);
    border-color: var(--accent, #4a90d9);
}

.cloud-chip.success {
    background: #eafaf1;
    color: var(--success, #27ae60);
    border-color: var(--success, #27ae60);
}

.cloud-chip.warn {
    background: #fef9ec;
    color: var(--warn, #f39c12);
    border-color: var(--warn, #f39c12);
}

/* ── 操作按钮行（主按钮全宽） ── */
.cloud-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 4px;
    align-items: center;
}

.cloud-actions .btn-rect {
    flex: 1;
    min-height: 46px;
    font-size: 0.95rem;
}

.cloud-actions .btn-rect-ghost {
    flex: none;
}

/* ── 状态行（带圆点 + 图标 + 时间戳） ── */
.cloud-status-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--bg, #f0f0f0);
    border: 1px solid var(--border, #e0e0e0);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-sec, #888);
    margin-top: 12px;
}

.cloud-status-row.error-row {
    background: #fdf2f2;
    border-color: var(--danger, #e74c3c);
}

.cloud-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.cloud-status-dot.idle { background: var(--text-sec, #888); }
.cloud-status-dot.success { background: var(--success, #27ae60); }
.cloud-status-dot.error { background: var(--danger, #e74c3c); }
.cloud-status-dot.loading { background: var(--accent, #4a90d9); }

.cloud-status-time {
    margin-left: auto;
    font-weight: normal;
    font-size: 0.75rem;
    color: var(--text-sec, #888);
}

/* 初始空状态容器 */
.cloud-status {
    min-height: 0;
    margin-top: 8px;
}

/* ── URL 输入区 ── */
.cloud-url-label {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-sec, #888);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cloud-url-input {
    width: 100%;
    background: var(--card, #fff);
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: 8px;
    color: var(--text, #2c2c2c);
    font-size: 0.85rem;
    font-weight: 700;
    font-family: 'Consolas', 'Courier New', monospace;
    padding: 10px 14px;
    outline: none;
    margin-bottom: 12px;
    transition: border-color 0.15s;
}

.cloud-url-input:focus {
    border-color: var(--accent, #4a90d9);
}

/* ── QR 码网格 ── */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    max-height: 320px;
    overflow-y: auto;
    padding: 4px;
}

.qr-grid::-webkit-scrollbar { width: 6px; }
.qr-grid::-webkit-scrollbar-track { background: transparent; }
.qr-grid::-webkit-scrollbar-thumb { background: var(--border, #e0e0e0); border-radius: 6px; }

/* QR 占位提示文字跨全宽 */
.qr-placeholder {
    grid-column: 1 / -1;
    color: var(--text-sec, #888);
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--card, #fff);
    border: 1.5px solid var(--border, #e0e0e0);
    border-radius: var(--r, 12px);
    padding: 10px;
    box-sizing: border-box;
    min-width: 0;
}

.qr-canvas-wrap {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 0;
    border: 1px solid var(--border, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.qr-canvas-wrap canvas,
.qr-canvas-wrap img,
.qr-canvas-wrap table {
    width: 120px !important;
    height: 120px !important;
    display: block;
}

.qr-canvas-wrap table {
    border-collapse: collapse;
}

.qr-student-name {
    font-size: 1rem;
    font-weight: 900;
    color: var(--text, #2c2c2c);
    margin-top: 8px;
    text-align: center;
}

.qr-url-text {
    display: none;
}

/* ═══════════════════════════════════════
   炸弹惩罚模块样式
   ═══════════════════════════════════════ */

/* 炸弹按钮 */
.btn-bomb {
}

.btn-bomb.active {
    color: #ff4444 !important;
}

.bomb-mode .btn-bomb.active {
    animation: bombPulse 0.6s ease-in-out infinite;
}

@keyframes bombPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* 炸弹模式下，被炸的学生卡片抖动 */
@keyframes bombShake {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-8px) rotate(-2deg); }
    20% { transform: translateX(8px) rotate(2deg); }
    30% { transform: translateX(-8px) rotate(-2deg); }
    40% { transform: translateX(8px) rotate(2deg); }
    50% { transform: translateX(-4px); }
    60% { transform: translateX(4px); }
    70% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
}

.bomb-shake {
    animation: bombShake 0.5s ease-out !important;
}

/* 爆炸特效 */
.bomb-explosion {
    position: fixed;
    width: 60px;
    height: 60px;
    z-index: 9999;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #ff4444;
    animation: bombExplode 0.8s ease-out forwards;
}

@keyframes bombExplode {
    0% {
        transform: scale(0.3);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.8;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Toast 通知 */
.bomb-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1.2rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.bomb-toast.show {
    opacity: 1;
}

.bomb-toast-danger {
    background: rgba(200, 40, 40, 0.92);
    color: #fff;
}

.bomb-toast-warn {
    background: rgba(200, 150, 20, 0.92);
    color: #fff;
}