/* 智能批改辅助平台 - 头部样式 */

/* ==== 头部区域 ==== */
.header {
    background: white;
    border-bottom: 1px solid #e1e8ed;
    padding: 16px 0;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.header-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.header-subtitle {
    font-size: 0.875rem;
    color: #7f8c8d;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-stats {
    display: flex;
    gap: 20px;
    font-size: 0.875rem;
    color: #7f8c8d;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2c3e50;
}

.stat-label {
    font-size: 0.75rem;
    margin-top: 2px;
}