{% extends "base.html" %}

{% block title %}学生登录 - FlashExam{% endblock %}

{% block head %}
<style>
    .login-container {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    .login-card {
        background: var(--card-bg);
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        padding: 40px;
        width: 100%;
        max-width: 420px;
    }
    .login-header {
        text-align: center;
        margin-bottom: 30px;
    }
    .login-header h3 {
        color: var(--color-text);
        font-weight: 700;
        margin-bottom: 8px;
    }
    .login-header p {
        color: var(--color-text-secondary);
    }
    .form-label {
        color: var(--color-text);
        font-weight: 600;
    }
    .form-control {
        background: var(--input-bg);
        border: 2px solid var(--color-border);
        color: var(--color-text);
        padding: 12px 16px;
        border-radius: 10px;
    }
    .form-control:focus {
        border-color: #4361ee;
        box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    }
    .form-control::placeholder {
        color: var(--color-text-muted);
    }
    .btn-primary {
        background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
        border: none;
        padding: 14px;
        font-weight: 600;
        border-radius: 10px;
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
    }
    .alert {
        border-radius: 10px;
        padding: 12px 16px;
    }
    .alert-error {
        background: #fef2f2;
        border: 1px solid #fecaca;
        color: #991b1b;
    }
    [data-theme="dark"] .alert-error {
        background: #450a0a;
        border-color: #7f1d1d;
        color: #fca5a5;
    }
</style>
{% endblock %}

{% block content %}
<div class="login-container">
    <div class="login-card">
        <div class="login-header">
            <h3><i class="bi bi-mortarboard-fill"></i> 学生登录</h3>
            <p>请输入学号和密码</p>
        </div>
        
        {% with messages = get_flashed_messages(with_categories=true) %}
            {% if messages %}
                {% for category, message in messages %}
                    <div class="alert alert-{{ category }} mb-3">
                        <i class="bi bi-{% if category == 'error' %}exclamation-circle{% elif category == 'success' %}check-circle{% else %}info-circle{% endif %}"></i>
                        {{ message }}
                    </div>
                {% endfor %}
            {% endif %}
        {% endwith %}
        
        <form method="POST" action="{{ url_for('auth.student_login') }}">
            <div class="mb-3">
                <label for="student_id" class="form-label">学号</label>
                <input type="text" class="form-control" id="student_id" name="student_id" 
                       placeholder="请输入学号" required autofocus>
            </div>
            
            <div class="mb-4">
                <label for="password" class="form-label">密码</label>
                <input type="password" class="form-control" id="password" name="password" 
                       placeholder="请输入密码" required>
            </div>
            
            <div class="d-grid">
                <button type="submit" class="btn btn-primary">
                    <i class="bi bi-box-arrow-in-right"></i> 登录
                </button>
            </div>
        </form>
        
        <div class="text-center mt-4">
            <a href="{{ url_for('auth.login') }}" class="text-decoration-none" style="color: var(--color-text-secondary);">
                <i class="bi bi-arrow-left"></i> 返回统一登录
            </a>
        </div>
    </div>
</div>
{% endblock %}