* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border: 1px solid #e8e8e8;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h2 {
    color: #333333;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    color: #666666;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: #333333;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    font-size: 14px;
    color: #333333;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input::placeholder {
    color: #999999;
}

.error-message {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.error-message ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.error-message li {
    margin-bottom: 4px;
}

.error-message li:last-child {
    margin-bottom: 0;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.home-link {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e8e8e8;
}

.btn-home {
    display: inline-block;
    color: #666666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
}

.btn-home:hover {
    color: #ff6b35;
    background-color: rgba(255, 107, 53, 0.05);
}

@media (max-width: 480px) {
    .login-container {
        padding: 30px 24px;
    }

    .login-header h2 {
        font-size: 24px;
    }
}