{% extends 'grades/base.html' %}
{% block title %}管理员首页{% endblock %}
{% block breadcrumb %}<li class="breadcrumb-item active">管理员首页</li>{% endblock %}

{% block content %}
<h4 class="mb-4"><i class="bi bi-speedometer2"></i> 系统概览</h4>

<div class="row g-3 mb-4">
    <div class="col-md-4 col-lg-2">
        <div class="stat-card">
            <div class="stat-value">{{ user_count }}</div>
            <div class="stat-label"><i class="bi bi-people"></i> 总用户数</div>
        </div>
    </div>
    <div class="col-md-4 col-lg-2">
        <div class="stat-card green">
            <div class="stat-value">{{ student_count }}</div>
            <div class="stat-label"><i class="bi bi-person-badge"></i> 学生数</div>
        </div>
    </div>
    <div class="col-md-4 col-lg-2">
        <div class="stat-card cyan">
            <div class="stat-value">{{ teacher_count }}</div>
            <div class="stat-label"><i class="bi bi-person-workspace"></i> 教师数</div>
        </div>
    </div>
    <div class="col-md-4 col-lg-2">
        <div class="stat-card yellow">
            <div class="stat-value">{{ admin_count }}</div>
            <div class="stat-label"><i class="bi bi-shield-lock"></i> 管理员</div>
        </div>
    </div>
    <div class="col-md-4 col-lg-2">
        <div class="stat-card">
            <div class="stat-value">{{ course_count }}</div>
            <div class="stat-label"><i class="bi bi-book"></i> 课程数</div>
        </div>
    </div>
    <div class="col-md-4 col-lg-2">
        <div class="stat-card red">
            <div class="stat-value">{{ grade_count }}</div>
            <div class="stat-label"><i class="bi bi-clipboard-data"></i> 成绩记录</div>
        </div>
    </div>
</div>

<div class="row g-3">
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">快捷操作</div>
            <div class="card-body">
                <a href="{% url 'user_list' %}" class="btn btn-outline-primary me-2 mb-2"><i class="bi bi-people"></i> 用户管理</a>
                <a href="{% url 'student_list' %}" class="btn btn-outline-success me-2 mb-2"><i class="bi bi-person-badge"></i> 学生管理</a>
                <a href="{% url 'course_list' %}" class="btn btn-outline-info me-2 mb-2"><i class="bi bi-book"></i> 课程管理</a>
                <a href="{% url 'grade_list' %}" class="btn btn-outline-warning me-2 mb-2"><i class="bi bi-clipboard-data"></i> 成绩管理</a>
                <a href="{% url 'notice_list' %}" class="btn btn-outline-secondary me-2 mb-2"><i class="bi bi-megaphone"></i> 公告管理</a>
            </div>
        </div>
    </div>
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">数据与监控</div>
            <div class="card-body">
                <a href="{% url 'data_management' %}" class="btn btn-outline-primary me-2 mb-2"><i class="bi bi-database"></i> 数据管理</a>
                <a href="{% url 'system_monitor' %}" class="btn btn-outline-success me-2 mb-2"><i class="bi bi-activity"></i> 系统监控</a>
                <a href="{% url 'operation_log_list' %}" class="btn btn-outline-info me-2 mb-2"><i class="bi bi-journal-text"></i> 操作日志</a>
            </div>
        </div>
    </div>
</div>
{% endblock %}