/**
 * 主CSS文件
 * 导入所有模块化的CSS文件
 */

/* 基础样式 */
@import url('./base/variables.css');
@import url('./base/reset.css');

/* 组件样式 */
@import url('./components/buttons.css');
@import url('./components/forms.css');
@import url('./components/cards.css');
@import url('./components/modals.css');
@import url('./components/scoring.css');
@import url('./components/leaderboard.css');
@import url('./components/student-selection.css');
@import url('./components/utilities.css');
@import url('./components/ai-analysis.css');

/* 布局样式 */
@import url('./layouts/header.css');
@import url('./layouts/main.css');

/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB";
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    color: var(--color-gray-900);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}


/* 工具类 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* 显示/隐藏工具类 */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.invisible {
    visibility: hidden !important;
}

/* 文本对齐 */
.text-left {
    text-align: left;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-justify {
    text-align: justify;
}

/* 文本颜色 */
.text-primary {
    color: var(--color-primary) !important;
}

.text-secondary {
    color: var(--color-secondary) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-error {
    color: var(--color-error) !important;
}

.text-info {
    color: var(--color-info) !important;
}

.text-muted {
    color: var(--color-gray-500) !important;
}

/* 背景颜色 */
.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-secondary {
    background-color: var(--color-secondary) !important;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
}

.bg-error {
    background-color: var(--color-error) !important;
}

.bg-info {
    background-color: var(--color-info) !important;
}

.bg-white {
    background-color: white !important;
}

.bg-gray {
    background-color: var(--color-gray-100) !important;
}

/* 间距工具类 */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-1) !important; }
.m-2 { margin: var(--spacing-2) !important; }
.m-3 { margin: var(--spacing-3) !important; }
.m-4 { margin: var(--spacing-4) !important; }
.m-5 { margin: var(--spacing-5) !important; }
.m-6 { margin: var(--spacing-6) !important; }
.m-8 { margin: var(--spacing-8) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-1) !important; }
.mt-2 { margin-top: var(--spacing-2) !important; }
.mt-3 { margin-top: var(--spacing-3) !important; }
.mt-4 { margin-top: var(--spacing-4) !important; }
.mt-5 { margin-top: var(--spacing-5) !important; }
.mt-6 { margin-top: var(--spacing-6) !important; }
.mt-8 { margin-top: var(--spacing-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-1) !important; }
.mb-2 { margin-bottom: var(--spacing-2) !important; }
.mb-3 { margin-bottom: var(--spacing-3) !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.mb-5 { margin-bottom: var(--spacing-5) !important; }
.mb-6 { margin-bottom: var(--spacing-6) !important; }
.mb-8 { margin-bottom: var(--spacing-8) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: var(--spacing-1) !important; }
.ml-2 { margin-left: var(--spacing-2) !important; }
.ml-3 { margin-left: var(--spacing-3) !important; }
.ml-4 { margin-left: var(--spacing-4) !important; }
.ml-5 { margin-left: var(--spacing-5) !important; }
.ml-6 { margin-left: var(--spacing-6) !important; }
.ml-8 { margin-left: var(--spacing-8) !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: var(--spacing-1) !important; }
.mr-2 { margin-right: var(--spacing-2) !important; }
.mr-3 { margin-right: var(--spacing-3) !important; }
.mr-4 { margin-right: var(--spacing-4) !important; }
.mr-5 { margin-right: var(--spacing-5) !important; }
.mr-6 { margin-right: var(--spacing-6) !important; }
.mr-8 { margin-right: var(--spacing-8) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-1) !important; }
.p-2 { padding: var(--spacing-2) !important; }
.p-3 { padding: var(--spacing-3) !important; }
.p-4 { padding: var(--spacing-4) !important; }
.p-5 { padding: var(--spacing-5) !important; }
.p-6 { padding: var(--spacing-6) !important; }
.p-8 { padding: var(--spacing-8) !important; }

/* Flexbox工具类 */
.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

.flex-row {
    flex-direction: row !important;
}

.flex-column {
    flex-direction: column !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.flex-nowrap {
    flex-wrap: nowrap !important;
}

.justify-start {
    justify-content: flex-start !important;
}

.justify-center {
    justify-content: center !important;
}

.justify-end {
    justify-content: flex-end !important;
}

.justify-between {
    justify-content: space-between !important;
}

.justify-around {
    justify-content: space-around !important;
}

.align-start {
    align-items: flex-start !important;
}

.align-center {
    align-items: center !important;
}

.align-end {
    align-items: flex-end !important;
}

.align-stretch {
    align-items: stretch !important;
}

.flex-1 {
    flex: 1 !important;
}

.flex-auto {
    flex: auto !important;
}

.flex-none {
    flex: none !important;
}

/* 布局切换相关样式 */
.layout-controls {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

/* 全屏模式样式 */
.fullscreen-mode .main-content {
    max-width: 100% !important;
    margin: 1rem 0 !important;
    padding: 0 1rem !important;
}

.fullscreen-mode #module-container {
    gap: 1rem;
}

.fullscreen-mode .module-section {
    min-height: 80vh;
}

/* 全屏模式按钮状态 */
#fullscreen-toggle-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.layout-indicator {
    font-weight: 500;
    color: var(--color-gray-700);
}

.layout-indicator i {
    color: var(--color-primary);
}

/* 通知样式 */
.notification {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.notification-content {
    display: flex;
    align-items: center;
    font-weight: 500;
}

.notification.hidden {
    display: none;
}

/* 模块容器动画 */
#module-container {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    grid-template-columns: 1fr 1fr 1fr; /* 默认4:3布局 */
}

/* 布局模式样式 */
#module-container.layout-mode-4-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

#module-container.layout-mode-16-9 {
    grid-template-columns: 1fr 2fr 1fr;
}

#module-container.layout-mode-mobile {
    grid-template-columns: 1fr;
    gap: 1rem;
}

#module-container.layout-mode-ultrawide {
    grid-template-columns: 1fr 3fr 1fr;
}

/* 大屏幕布局优化 */
@media (min-width: 1600px) {
    #module-container.layout-mode-4-3 {
        grid-template-columns: 1.2fr 1fr 1.2fr; /* 稍微突出两侧 */
    }
    
    #module-container.layout-mode-16-9 {
        grid-template-columns: 1fr 2.5fr 1fr; /* 进一步突出中间 */
    }
}

/* 超大屏幕布局优化 */
@media (min-width: 1920px) {
    #module-container.layout-mode-4-3 {
        grid-template-columns: 1.3fr 1fr 1.3fr;
    }
    
    #module-container.layout-mode-16-9 {
        grid-template-columns: 1fr 3fr 1fr; /* 中间模块更宽 */
    }
}

/* 超宽屏布局优化 */
@media (min-width: 2560px) {
    #module-container.layout-mode-4-3 {
        grid-template-columns: 1.5fr 1fr 1.5fr;
    }
    
    #module-container.layout-mode-16-9 {
        grid-template-columns: 1fr 4fr 1fr; /* 中间模块最宽 */
    }
}

/* 模块切换动画 */
.module-section {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.module-section.switching {
    animation: moduleSwitch 0.6s ease-in-out;
}

@keyframes moduleSwitch {
    0% {
        transform: scale(1) rotateY(0deg);
    }
    50% {
        transform: scale(0.95) rotateY(5deg);
    }
    100% {
        transform: scale(1) rotateY(0deg);
    }
}

/* 响应式布局调整 */
@media (max-width: 1024px) {
    #module-container.layout-mode-16-9 {
        grid-template-columns: 1fr 1.5fr 1fr;
    }
    
    #module-container.layout-mode-ultrawide {
        grid-template-columns: 1fr 2fr 1fr;
        max-width: 100%;
    }
}

/* 大屏幕模块优化 */
@media (min-width: 1600px) {
    .module-section {
        padding: 2rem;
    }
    
    .module-section h3 {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.5rem;
    }
}

/* 超大屏幕模块优化 */
@media (min-width: 1920px) {
    .module-section {
        padding: 2.5rem;
    }
    
    .module-section h3 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .form-group {
        margin-bottom: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .layout-controls {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }
    
    #module-container.layout-mode-4-3,
    #module-container.layout-mode-16-9,
    #module-container.layout-mode-ultrawide {
        grid-template-columns: 1fr;
    }
    
    .layout-indicator {
        font-size: 0.875rem;
    }
    
    .notification {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .layout-controls {
        padding: 0.25rem 0.5rem;
    }
    
    .layout-indicator {
        font-size: 0.75rem;
    }
    
    .btn.btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* 响应式工具类 */
@media (max-width: 640px) {
    .sm\:hidden {
        display: none !important;
    }
    
    .sm\:block {
        display: block !important;
    }
    
    .sm\:flex {
        display: flex !important;
    }
    
    .sm\:flex-column {
        flex-direction: column !important;
    }
    
    .sm\:text-center {
        text-align: center !important;
    }
}

@media (min-width: 768px) {
    .md\:hidden {
        display: none !important;
    }
    
    .md\:block {
        display: block !important;
    }
    
    .md\:flex {
        display: flex !important;
    }
    
    .md\:flex-row {
        flex-direction: row !important;
    }
}

@media (min-width: 1024px) {
    .lg\:hidden {
        display: none !important;
    }
    
    .lg\:block {
        display: block !important;
    }
    
    .lg\:flex {
        display: flex !important;
    }
}