/* 研究生考试主题样式 */

/* 学术风格调色板 */
:root {
    --academic-blue: #1e3a8a;
    --academic-navy: #1e40af;
    --academic-gold: #d97706;
    --academic-green: #065f46;
    --academic-gray: #374151;
    --paper-white: #fefefe;
    --ink-black: #1f2937;
    --highlight-yellow: #fef3c7;
    --accent-red: #dc2626;
}

/* 整体学术风格 */
body.academic-theme {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    font-family: 'Times New Roman', serif;
}

/* 导航栏学术风格 */
.academic-theme .navbar {
    background: linear-gradient(135deg, var(--academic-blue), var(--academic-navy)) !important;
    box-shadow: 0 2px 4px rgba(30, 58, 138, 0.3);
}

.academic-theme .navbar-brand {
    font-family: 'Georgia', serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* 卡片学术风格 */
.academic-theme .card {
    background: var(--paper-white);
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.academic-theme .card-header {
    background: linear-gradient(135deg, var(--academic-blue), var(--academic-navy));
    color: white;
    font-family: 'Georgia', serif;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 研究生考试特色按钮 */
.academic-theme .btn-primary {
    background: linear-gradient(135deg, var(--academic-blue), var(--academic-navy));
    border: none;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.academic-theme .btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, var(--academic-blue));
    transform: translateY(-2px);
}

.academic-theme .btn-success {
    background: linear-gradient(135deg, var(--academic-green), #047857);
    border: none;
}

.academic-theme .btn-warning {
    background: linear-gradient(135deg, var(--academic-gold), #b45309);
    border: none;
    color: white;
}

/* 问题区域学术风格 */
.academic-theme .question-item {
    background: var(--paper-white);
    border: 1px solid #e5e7eb;
    border-left: 4px solid var(--academic-blue);
    font-family: 'Georgia', serif;
    line-height: 1.7;
}

.academic-theme .question-number {
    background: var(--academic-blue);
    font-family: 'Arial', sans-serif;
    font-weight: 700;
}

/* 选项学术风格 */
.academic-theme .option-item {
    background: var(--paper-white);
    border: 1px solid #d1d5db;
    font-family: 'Georgia', serif;
    line-height: 1.6;
}

.academic-theme .option-item:hover {
    border-color: var(--academic-blue);
    background: rgba(30, 58, 138, 0.05);
}

.academic-theme .option-item.selected {
    border-color: var(--academic-blue);
    background: rgba(30, 58, 138, 0.1);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.academic-theme .option-item.correct {
    border-color: var(--academic-green);
    background: rgba(6, 95, 70, 0.1);
    animation: correctPulse 0.6s ease-in-out;
}

.academic-theme .option-item.incorrect {
    border-color: var(--accent-red);
    background: rgba(220, 38, 38, 0.1);
    animation: incorrectShake 0.5s ease-in-out;
}

@keyframes correctPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes incorrectShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* 反馈信息学术风格 */
.academic-theme .feedback {
    font-family: 'Georgia', serif;
    font-style: italic;
    border-radius: 6px;
}

.academic-theme .feedback-correct {
    background: rgba(6, 95, 70, 0.1);
    border: 2px solid var(--academic-green);
    color: var(--academic-green);
}

.academic-theme .feedback-incorrect {
    background: rgba(220, 38, 38, 0.1);
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
}

.academic-theme .feedback-info {
    background: rgba(30, 58, 138, 0.1);
    border: 2px solid var(--academic-blue);
    color: var(--academic-blue);
}

/* 进度条学术风格 */
.academic-theme .progress {
    background-color: #f3f4f6;
    border: 1px solid #e5e7eb;
}

.academic-theme .progress-bar {
    background: linear-gradient(135deg, var(--academic-blue), var(--academic-navy));
    position: relative;
}

.academic-theme .progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.2) 50%, transparent 60%);
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 年份选择学术风格 */
.academic-theme .year-button {
    background: var(--paper-white);
    border: 2px solid #e5e7eb;
    font-family: 'Georgia', serif;
    transition: all 0.3s ease;
}

.academic-theme .year-button:hover {
    border-color: var(--academic-blue);
    background: rgba(30, 58, 138, 0.03);
    color: var(--academic-blue);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.15);
}

.academic-theme .year-title {
    color: var(--academic-navy);
    font-weight: 700;
}

/* 分数显示学术风格 */
.academic-theme .score-display {
    color: var(--academic-green);
    font-family: 'Arial', sans-serif;
    font-weight: 700;
}

.academic-theme .completion-score {
    color: var(--academic-green);
    font-family: 'Arial', sans-serif;
    text-shadow: 2px 2px 4px rgba(6, 95, 70, 0.2);
}

/* 表单学术风格 */
.academic-theme .form-control,
.academic-theme .form-select {
    border: 1px solid #d1d5db;
    background: var(--paper-white);
    font-family: 'Georgia', serif;
}

.academic-theme .form-control:focus,
.academic-theme .form-select:focus {
    border-color: var(--academic-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

/* 数据管理页面学术风格 */
.academic-theme .data-item {
    background: var(--paper-white);
    border-left: 4px solid var(--academic-blue);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.academic-theme .data-year {
    color: var(--academic-navy);
    font-family: 'Arial', sans-serif;
    font-weight: 700;
}

/* Toast 学术风格 */
.academic-theme .toast {
    background: var(--paper-white);
    border: 1px solid #e5e7eb;
}

.academic-theme .toast-header {
    background: rgba(30, 58, 138, 0.05);
    border-bottom: 1px solid #e5e7eb;
}

/* 高亮效果 */
.academic-theme .highlight {
    background: var(--highlight-yellow);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-weight: 600;
}

/* 页脚学术风格 */
.academic-theme footer {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-top: 2px solid var(--academic-blue);
    color: var(--academic-gray);
    font-family: 'Georgia', serif;
}

/* 加载动画学术风格 */
.academic-theme .spinner-border {
    color: var(--academic-blue);
}

/* 学术风格图标 */
.academic-theme .fa-graduation-cap {
    color: var(--academic-gold);
}

.academic-theme .fa-book-reader {
    color: var(--paper-white);
}

/* 响应式学术风格调整 */
@media (max-width: 768px) {
    .academic-theme .question-item {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .academic-theme .option-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .academic-theme .year-title {
        font-size: 1.5rem;
    }
}