<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Вход в админ-панель - OldMarket</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .login-container {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            width: 100%;
            max-width: 400px;
        }
        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }
        .login-header h1 {
            color: #2c3e50;
            margin-bottom: 10px;
        }
        .login-header p {
            color: #7f8c8d;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #2c3e50;
        }
        input {
            width: 100%;
            padding: 12px;
            border: 2px solid #ecf0f1;
            border-radius: 5px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        input:focus {
            outline: none;
            border-color: #3498db;
        }
        .btn {
            background: #3498db;
            color: white;
            padding: 12px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            width: 100%;
            transition: background 0.3s;
        }
        .btn:hover {
            background: #2980b9;
        }
        .error {
            background: #e74c3c;
            color: white;
            padding: 10px;
            border-radius: 5px;
            margin-bottom: 20px;
            text-align: center;
        }
        .default-credentials {
            margin-top: 20px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 5px;
            border-left: 4px solid #3498db;
        }
        .default-credentials h4 {
            color: #2c3e50;
            margin-bottom: 5px;
        }
        .default-credentials p {
            color: #7f8c8d;
            font-size: 14px;
        }
    </style>
</head>
<body>
    <div class="login-container">
        <div class="login-header">
            <h1>OldMarket Admin</h1>
            <p>Войдите в панель управления</p>
        </div>

        {% if error %}
        <div class="error">
            {{ error }}
        </div>
        {% endif %}

        <form method="post">
            <div class="form-group">
                <label for="username">Имя пользователя:</label>
                <input type="text" id="username" name="username" required>
            </div>
            <div class="form-group">
                <label for="password">Пароль:</label>
                <input type="password" id="password" name="password" required>
            </div>
            <button type="submit" class="btn">Войти</button>
        </form>

        <div class="default-credentials">
            <h4>Демо доступ:</h4>
            <p><strong>Логин:</strong> admin</p>
            <p><strong>Пароль:</strong> admin123</p>
        </div>
    </div>
</body>
</html>